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Abnormal uterine bleeding
Mrs. DRISYA.V.R.
2nd Year MSc
Nursing
Menorrhagia
MENORRHAGIA {Syn: Hypermenorrhoea)
Definition
• Menorrhagia is defined as cyclic bleeding at
normal intervals; the bleeding is either
excessive in amount (> 80 ml) or duration (> 7
days) or both.
• The term menotaxis is often used to denote
prolonged bleeding.
Causes
• Menorrhagia is a symptom of some underlying pathology —
organic or functional.
1. Organic
a.Pelvic:
• Pelvic pathology
B.Systemic
• Liver dysfunction — failure to conjugate and
thereby inactivates the oestrogens.
• Congestive cardiac failure
• Severe hypertension
c.Endocrinal
• Hypothyroidism
• Hyperthyroidism
d.Haematological
• Idiopathic thrombocytopenic purpura
• Leukaemia
• von Willebrand's disease
• Platelet deficiency
e.Emotional upset
2. Functional
• Due to disturbed hypothalamo-pituitary-ovarian-
endometrial axis.
Common causes of menorrhagia
• Dysfunctional uterine bleeding
• Fibroid uterus
• Adenomyosis
• Chronic tubo-ovarian mass
DIAGNOSIS :
• Long duration of flow,
• passage of big clots,
• use of increased number of thick sanitary pads,
• pallor and low level of haemoglobin give an
idea about the correct diagnosis and magnitude
of menorrhagia.
TREATMENT:
The definitive treatment is appropriate to the
cause for menorrhagia.
POLYMENORRHOEA:(Epimenorr
hoea)
Definition
• Polymenorrhoea is defined as cyclic bleeding
where the cycle is reduced to an arbitrary limit
of less than 21 days and remains constant at
that frequency.
• If the frequent cycle is associated with
excessive and or prolonged bleeding, it is
called epimenorrhagia.
Causes :
1.Dysfunctional
• It is seen predominantly during adolescence, preceding
menopause and following delivery and abortion.
• Hyperstimulation of the ovary by the pituitary hormones may
be the responsible factor.
2.Ovarian hyperaemia
• Treatment :
Persistent dysfunctional type is to be treated by hormone .
METRORRHAGIA
Definition :
• Metrorrhagia is defined as irregular, acyclic bleeding from
the uterus.
• Amount of bleeding is variable.
• Then again, irregular bleeding in the form of contact
bleeding or intermenstrual bleeding in an otherwise normal
cycle is also included in metrorrhagia.
• In fact, it is mostly related to surface lesion in the uterus .
Menometrorrhagia is the term applied when the bleeding is
so irregular and excessive that the menses (periods)
Causes of acyclic bleeding
• DUB — usually during adolescence, following childbirth and
abortion and preceding menopause
• Submucous fibroid
• Uterine polyp
• Carcinoma cervix and endometrial carcinoma
Causes of intermenstrual bleeding
• Urethral caruncle
• Ovular bleeding
• Breakthrough bleeding in pill use
• IUCD in utero
• Decubitus ulcer
Treatment
• Treatment is directed to the underlying pathology.
• Malignancy is to be excluded prior to any definitive
treatment.
OLlGOMENORRHOEA
Definition
• Menstrual bleeding occurring more than 35 days apart and
which remains constant at that frequency is called
oligomenorrhoea.
Causes
• Age-related
• Weight-related
• Stress and exercise related
• Endocrine disorders
• Androgen producing tumours
• Tubercular endometritis
• Drugs:
o phenothiazines
o Cimetidine
o methyldopa
HYPOMENORRHOEA
Definition :
When the menstrual bleeding is unduly scanty
and lasts for less than 2 days, it is called hypo-
menorrhoea.
Causes
• The causes may be local
• endocrinal
• or systemic
DYSFUNCTIONAL UTERINE
BLEEDING (DUB)
Definition
• DUB is defined as a state of abnormal uterine
bleeding without any clinically detectable
organic, systemic and iatrogenic cause.
• Heavy menstrual bleeding (HMB) is defined as
a bleeding that interferes with woman's
physical, emotional, social and material quality
of life.
Incidence
• incidence of 10 per cent amongst new patients
attending the out-patient seems logical.
• The bleeding may be abnormal in frequency,
amount or duration or combination of any three.
• Currently DUB is defined as a state of abnormal
uterine bleeding following anovulation due to
dysfunction of hypothalamo-pituitary-ovarian axis
(endocrine origin).
Pathophysiology
The physiological mechanism of haemostasis in normal
menstruation are :
(1) Platelet adhesion formation.
(2) Formation of platelet plug with fibrin to seal the bleeding
vessels.
(3) Localised vaso constriction.
(4) Regeneration of endometrium.
Biochemical mechanism involved are :
In increased endometrial ratio of PGF2α/PGE2.
• PGF2α causes vasoconstriction and reduces bleeding.
• Progesterone increases the level of PGF2α from
arachidonic acid.
• Levels of endothelin which is a powerful vasoconstrictor
is also increased.
• In anovulatory DUB there is decreased synthesis of
PGF2α and the ratio of PGF2α/PGE2 is low.
• Anovulatory cycles are usually not associated with
dysmenorrhoea as the level of PGF2α is low. Women with
menorrhagia have low level of thromboxane in the
endometrium.
• The endometrial abnormalities may be primary or secondary to
incoordination in the hypothalamo- pituitary-ovarian axis.
• Emotional influences, worries, anxieties or sexual problems
sometimes are enough to disturb the normal hormonal balance.
The abnormal bleeding may be associated with
or without ovulation and accordingly grouped
into :
• Ovular bleeding
• Anovular bleeding
Ovular bleeding
a.Polymenorrhoea or polymenorrhagia:
• The condition usually occurs following childbirth and
abortion, during adolescence and premenopausal period and in
pelvic inflammatory disease.
• The follicular development is speeded up with resulting
shortening of the follicular phase.
• This is probably due to hyperstimulation of the follicular
growth by FSH.
• Rarely, the luteal phase may be shortened due to premature
lysis of the corpus luteum. Sometimes, it is related to stress
induced stimulation.
• Endometrial study prior to or within few hours of menstruation
reveals secretory changes.
b. Oligomenorrhoea:
• Primary ovular oligomenorrhoea is rare.
• It may be met in adolescence and preceding
menopause.
• The disturbance may be due to ovarian
unresponsiveness to FSH or secondary to pituitary
dysfunction.
• There is undue prolongation of the proliferative
phase with normal secretory phase.
• Endometrial study prior to or within few hours of
menstruation reveals secretory changes.
Functional menorrhagia:
Ovular menorrhagia is quite uncommon.
Two varieties are found:
• Irregular shedding of the endometrium.
• Irregular ripening of the endometrium
Irregular shedding of the endometrium
• The abnormality is usually met in extremes of
reproductive period.
• Normally, regeneration of the endometrium is
completed by the end of third day of
menstruation.
• In irregular shedding, desquamation is continued
for a variable period with simultaneous failure of
regeneration of the endometrium.
The possible explanations are:
• Incomplete withdrawal of LH even on 26th day of
cycle incomplete atrophy of the corpus luteum
persistent secretion of progesterone.
• Persistent LH -» inhibition of FSH -» suppresses
ripening of the follicle in the next cycle -> less
oestrogen -» less regeneration.
• Endometrial sampling performed after 5th or 6th
day of the onset of menstruation reveals a mixture
of secretory and proliferative endometrium. There
is total absence of any surface epithelium.
Irregular ripening of the endometrium
• There is poor formation and inadequate function of the
corpus luteum.
• Secretion of both oestrogen and progesterone is inadequate
to support the endometrial growth.
• As such, slight bleeding occurs and continues prior to the
start of proper flow.
• The endocrine profile in the luteal phase shows persistent
low level of urinary pregnanediol level of less than 3 mg or
plasma progesterone level less than 5 ng/ml.
• Endometrial study prior to or soon after spotting reveals
patchy area of secretory changes amidst proliferative
endometrium.
Anovular bleeding
a.Menorrhagia
• Anovular bleeding is usually excessive.
• In the absence of growth limiting progesterone due to
anovulation, the endometrial growth is under the
influence of oestrogen throughout the cycle.
• There is inadequate structural stromal support and the
endometrium remains fragile.
• Thus, with the withdrawal of oestrogen due to negative
feedback action of FSH, the endometrial shedding
continues for a longer period in asynchronous
sequences because of lack of compactness.
b.Cystic glandular hyperplasia
(Syn:Metropathiahaetnorrhagica,Schroeder's
disease)
• This type of abnormal bleeding is usually met in
premenopausal women.
• The basic fault may lie in the ovaries or may be
due to disturbance of the rhythmic secretion of the
gonadotrophins.
• There is slow increase in secretion of oestrogen
but no negative feedback inhibition of FSH.
• The net effect is gradual rise in the level of
oestrogen with concomittant phase of
amenorrhoea for about 6-8 weeks.
• As there is no ovulation, the endometrium is under the
influence of oestrogen without being opposed by growth
limiting progesterone for a prolonged period.
• After a variable period, however, the oestrogen level falls
resulting in endometrial shedding with heavy bleeding.
• Bleeding also occurs when the endometrial growth have
outgrown their blood supply.
• Due to increased endometrial thickness, tissue breakdown
continues for a long time.
• Bleeding is heavy as there is no vasoconstrictor effect of
PGF2α.
• Bleeding is prolonged until the endometrium and blood
vessels regenerate to control it.
Changes in the uterus :
• There is variable degree of myohyperplasia with symmetrical
enlargement of the uterus to a size of about 8-10 weeks due to
simultaneous hypertrophy of muscles .
• The endometrial changes are classical.
• On naked eye examination, the endometrium looks thick,
congested and often polypoidal (multiple polyposis).
Microscopically
• There is marked hyperplasia of all the endometrial
components.
• There is however, intense cystic glandular hypertrophy
rather than hyperplasia with marked disparity in sizes.
• Some of the glands are small, others are large giving the
appearance of "Swiss cheese" pattern (small and large holes
of Swiss cheese made in Switzerland).
• The glands are empty and lined by columnar epithelium.
• Absence of secretory changes.
• Areas of necrosis in the superficial layers with small
haemorrhages and leucocytic infiltration .
Changes in the ovary :
• Cystic changes maybe observed involving one
or both the ovaries.
• The cyst may be single or multiple and the
fluid contains oestrogen.
• The cyst is of follicular type. There is no
evidence of corpus luteum.
Atrophy of the endometrium:
• This type of abnormality is commonly met in
postmenopausal women but may occur in
reproductive period as final involutionary state of
a previous metropathia.
• The bleeding occurs from the rupture of the
dilated capillaries beneath the atrophic surface
epithelium.
• The cause of endometrial atrophy may be due to
total absence of oestrogen or failure of uterine
receptors to become responsive to oestrogen.
Endometrial pattern in DUB
• In majority (60 %), the endometrium is
normal secretory in every aspect.
• In about 30 per cent, the endometrium is
hyperplastic and in the remaining, there are
evidences of irregular shedding, irregular
ripening or atrophic pattern.
• Investigations
The investigation aims at .
• To confirm the menstrual abnormality as stated
by the patient.
• To exclude the systemic, iatrogenic and
'organic' pelvic pathology.
• To identify the possible aetiology of DUB.
• To work out the definite therapy protocol
History .
• Confirmed that the bleeding is through the vagina
and not from the urethra or rectum.
• statement of excessive bleeding is assessed by
number of pads used, passage of clots (size and
number) and duration of bleeding.
• If ambiguity is found from the estimated
haemoglobin percentage, it is better to assess the
blood loss by admitting the patient during period.
• Among the patients presenting with menorrhagia,
only about 50 per cent have got excess blood loss
(> 80 ml).
• Nature of menstrual abnormality is then to be enquired —
cyclic or acyclic, its relation to puberty, pregnancy events
and last normal cycle.
• Any emotional upset or psychosexual problem should be
elicited tactfully.
• Use of steroidal contraceptives or IUCD insertion should be
enquired.
• History of abnormal bleeding from the injury site, epistaxis,
gum bleeding or that suggestive of PID should be enquired.
• Estimation of menstrual blood loss either directly by
alkaline haematin or indirectly by pictorial chart is not
routinely done.
Internal examination :
• Bimanual examination including speculum
examination should be done in all cases except
in virgins where rectal examination is to be
done to exclude palpable pelvic pathology.
• If vaginal examination is required in virgins, it
should be done under general anaesthesia and
along with endometrial curettage.
Special investigations
Blood values
• Haemoglobin estimation is done in every case.
• Serum feritin test is not done as a routine.
• In pubertal menorrhagia not responding to
usual therapy, platelet count, prothrombin
time, bleeding time, partial thromboplastin
time are to be estimated.
• In suspected cases of thyroid dysfunction,
serum TSH, T3, T4 estimation is to be done.
• Ultrasound and Colour Doppler findings of
endometrial hyperplasia are :
(i) Endometrial thickness >12 mm.
(ii) Hyperechoic and regular outline,
(iii)Angiogenesis and neovascular signal study.
• Transvaginalsonography (TVS) is also very sensitive
to detect any anatomical abnormality (fibroid,
adenomyosis) of the uterus, endometrium md adnexae.
• Saline Infusion Sonography (SIS) is found very
helpful to diagnose endometrial polyps, submucous
fibroids and uterine abnormality (septate/subseptate
uterus).
Hysteroscopy
• is done for better evaluation of endometrial
lesion and to take biopsy from the offending
site under direct vision.
• The frequent findings of polyp and submucous
fibroid are often missed by blind curettage.
• Hysteroscopy and directed biopsy (H and B)
can be performed on an outpatient basis. H and
B has replaced conventional D and C .
Endometrial sampling can be done as an outpatient
basis.
• Pipelle sampler is easy to use.
• As it is a blind procedure, intrauterine pathology
(polyps, submucous fibroids) can not be detected.
Laparoscopy — to exclude unsuspected pelvic
pathology such as endometriosis, PID or ovarian
tumour (granulosa cell tumour). The indication is
urgent, if associated with pelvic pain.
Diagnostic uterine curettage (D & C)
Diagnostic uterine curettage is indicated in DUB —
(1) To exclude the organic lesions in the endometrium
(incomplete abortion, endometrial polyp, tubercular
endometritis or endometrial carcinoma).
(2) To determine the functional state of the endometrium.
(3) To have incidental therapeutic benefit.
• In adolescent DUB, it is rarely needed only if bleeding
fails to stop or is severe in nature .
• During childbearing period (20-40 years), it should be
done, if the bleeding is acyclic. Risk of endometrial
carcinoma in this age group is verylow.
• During premenopausal period, diagnostic curettage is
mandatory prior to any therapy to exclude endometrial
malignancy.
Abnormal uterine bleeding
During postmenopausal period, it is
mandatory
to exclude endometrial malignancy.
Thin plastic endometrial tissue samplers
(pipellae) are available .
It helps to obtain adequate endometrial sample
for histological examination.
It is done as an OPD procedure without any
anaesthetic.
MANAGEMENT
management protocols have been grouped
accordingly.
• Pubertal and adolescent menorrhagia < 20
years .
• Reproductive period (20-40 years).
• Premenopausal (> 40 years).
• Postmenopausal .
1.Reproductive period
♦ General
♦ Medical
♦ Surgery
a. GENERAL -.
Rest.
Assurance and sympathetic handling
diet, haematinics and blood transfusion.
Clinically evident systemic or endocrinal
abnormalities should be investigated and
treated accordingly.
b.MEDICAL MANAGEMENT OF DUB
• Hormones
• Progestins:
The common preparations used are
norethisterone acetate and medroxyprogesterone
acetate .
The preparations are used:
• Cyclic therapy
• Continuous therapy
To stop bleeding and regulate the cycle:
• Norethisterone preparations (5 mg tab) are
used thrice daily till bleeding stops which it
usually does by 3-7 days.
Cyclic therapy
• 5th-25th day course
• 15th-25th day course.
5th to 25th day course :
• In ovular bleeding — Any low dose combined oral pills
are effective when given from 5th to 25th day of cycle for 3
consecutive cycles.
• It causes endometrial atrophy.
• It is more effctive as compared to progesterone therapy as
it suppress the hypothalamopituitary axis more effectively.
• Normal menstruation is expected to resume with restoration
of normally functioning pituitary-ovarian-endometrial axis.
• It reduces menstrual blood loss by 50 per cent. It serves as a
contraceptive as well.
In anovular bleeding
• Cyclic progestogen preparation of
medroxyprogesterone acetate (MPA) 10 mg or
norethisterone 5 mg is used from 5th to 25th
day of cycle for 3 cycles.
15th to 25th day course
• In ovular bleeding, where the patient wants
pregnancy or in cases of irregular shedding or
irregular ripening of the endometrium,
dydrogesterone 1 tab (10 mg) daily or twice a
day from 15th to 25th day may cure the state.
• This regimen is less effective than 5th to 25th
day course. However, it does not suppress
ovulation.
Continuous progestins:
• Progestins also inhibit pituitary gonadotropin secretion
and ovarian hormone production.
• Medroxyprogesterone acetate 10 mg thrice daily is
given and treatment is usually continued for at least for
90 days.
• Various continuous preparations may be used. Oral ,
long-acting intramuscular injections, DMPA implants
Progestogen only pill are effective to reduce menstrual
blood loss. They may also result in oligomenorrhoea or
amenorrhoea.
• Progesterone treatment helps organised endometrial
shedding upto the basal layer and increases the
endometrial ratio of PGF20C/PGE2 and thromboxane .
Oestrogen:
• In situations where the bleeding is acute and severe,
conjugated oestrogen 25 mg is given IV.
• It helps with rapid growth of the denuded endometrium
and promotes platelet adhesiveness.
• It controls bleeding by process of healing.
• It may be repeated every four hours till the bleeding is
controlled, when oral therapy is started.
• Once the bleeding stops, progestin (MPA 10 mg a day)
is to be added.
• COC is used for long term treatment.
• Proliferation of endometrium, increase in the level of
fibrinogen, factors - V, X and platelet aggregation are
the other mechanisms of action for oestrogen therapy.
• If bleeding continues further, D and C is indicated.
Intrauterine progestogen
• Levonorgestrel intrauterine system (LNGIUS) induces
endometrial glandular atrophy, stromal decidualisation and
endometrial cell inactivation .
• It is effective for 5 years. It has minimal systemic
absorption.
• Reduction of blood loss is upto 97 per cent.
• It is considered as medical hysterectomy.
• In addition to its many other health benefits it is an effective
contraceptive measure .
• LNG-IUS is recommended as a first line therapy for a
woman with HMB in the absence of any structural or
histological abnormality.
Danazol
• Danazol is suitable in cases with recurrent symptoms
and in patients waiting for hysterectomy.
• The dose varies from 200-400 mg daily in 4 divided
doses continuously for 3 months.
• A smaller dose tends to minimise the blood loss and a
higher dose produces amenorrhoea .
• It reduces blood loss by 60 per cent. However, danazol
should not be used as a routine.
Mifepristone (RU 486):
• It is an anti-progesterone (19 nor steroid).
• It inhibits ovulation and induces amenorrhoea
and reduces myoma size .
GnRH agonists :
• The subtherapeutic doses reduce the blood loss
whereas in therapeutic doses produce
amenorrhoea.
• It is valuable as short-term use in severe DUB,
particularly if the woman is infertile and wants
pregnancy.
• The drugs are used subcutaneously or intranasally.
• It improves anaemia, and is helpful when used
before endometrial ablation
NON HORMONAL
MANAGEMENT
Anti-fibrinolytic agents (Tranexamic acid)
• It reduces menstrual blood loss by 50 per cent.
• It counteracts the endometrial fibrinolytic
system.
• It is particularly helpful in IUCD induced
menorrhagia.
• Gastrointestinal side effects are common.
Prostaglandin synthetase inhibitors:
Mefenamic acid is much effective in women aged more than
35 years and in cases of ovulatory DUB.
The dose is 150-600 mg orally in divided doses during the
bleeding phase.
The fenamates inhibit the synthesis of prostaglandins and
interfere with the binding of PGE2 to its receptor.
NSAIDS can reduce menstrual blood loss by 25-40 per cent.
Improvement of dysmenorrhoeaheadache, or nausea are the
added benefits.
Side effects are often mild. NSAIDS may be used as second
line medical treatment
• Desmopressin — is a synthetic analogue of
arginine — vasopressin.
• It is especially indicated in cases with von
Willebrand's disease and factor VIII
deficiency.
• It is given IV (0.3 pg/kg) or intranasally.
3.SURGICAL MANAGEMENT OF DUB
• Uterine curettage
• Endometrial ablation/resection
• Hysterectomy
A.Uterine curettage
• It is done predominantly as a diagnostic tool for elderly
women
• it has got haemostatic and therapeutic effect by removing
the necrosed and unhealthy endometrium.
• It should be done following ultrasonography for detection of
endometrial pathology.
• The indication is an urgent one, if the bleeding is acyclic
and where endometrial pathology is suspected.
• Ideally hysteroscopy and directed biopsy should be
considered both for the purpose of diagnosis and therapy.
• Presently, dilatation and curettage should be used neither as
a diagnostic tool nor for the purpose of therapy.
B.Endometrial ablation/resectson
• Indications are :
• (a) Failed medical treatment
• (b) women do not wish to preserve menstrual or
reproductive function
• (c) uterus — normal size or no bigger than 10 weeks
pregnancy size
• (d), small
• uterine fibroids, (< 3 cm)
• (e) women , who want to avoid longer surgery
• (f) women prefers to preserve her uterus.
• Laser ablation of the endometrium using the Nd:
YAG laser through hysteroscope is an alternative
to hysterectomy.
• It is employed as an elective alternative to
hysterectomy or when hysterectomy has been
medically contraindicated.
• Tissue destruction (coagulation, vaporisation and
carbonisation) to a depth of 4-5 mm produces a
therapeutic Asherman's syndrome and
amenorrhoea.
• Uterine thermal balloon for destruction of
endometrium
• Endometrium is destroyed using a thermal
balloon with hot normal saline (87°C) for 8-10
minutes.
• No dilatation of the cervical canal is needed.
This procedure is suitable for women who are
not suitable for general anaesthetic or long
duration surgery.
• Microwave endometrial ablation is simple
and carried out as an outpatient procedure.
• Microwave electromagnetic heat energy causes
ablation of the endometrium.
• Endometrial tissue upto a depth of 6 mm is
ablated.
• Temperature in the region is 75-80°C.
• Treatment time (2-3 minutes) .
• Novasure: Endometrial ablation is done using a bipolar
radio frequency mounted on an expandable frame.
• This creates a confluent lesion on the entire
endometrial surface.
• Radio frequency energy vaporises or coagulates the
endometrium upto the myometrium.
• The procedure is quick, simple and safe. Women with
uterine cavity < 4 cm, PID, caesarean delivery are
contraindicated.
• Pretreatment with danazol or GnRH agonists for 3
weeks prior to endometrial ablation is helpful to make
the endometrium atrophic.
Uterine artery embolisation is commonly done
in women with large uterine fibroid (> 3 cm)
with heavy bleeding.
Particles are injected to block uterine artery
under local anaesthesia.
This shrinks fibroids. The procedure is safe and
effective.
• Hysterectomy is not recommended as a first line
therapy for heavy menstrual bleeding (HMB) or
DUB.
• Presence of endometrial hyperplasia and atypia on
endometrial histology, is an indication for
hysterectomy.
• The decision can be made easily as the patient is
approaching 40.
• Healthy ovaries may be preserved at the time of
hysterectomy especially those under 45 years of
age.
COMPLICATIONS OF
MENSTRUAL IRREGULARITIES
• difficulty getting pregnant,
• anemia and
• infertility.

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Abnormal uterine bleeding

  • 1. Abnormal uterine bleeding Mrs. DRISYA.V.R. 2nd Year MSc Nursing
  • 2. Menorrhagia MENORRHAGIA {Syn: Hypermenorrhoea) Definition • Menorrhagia is defined as cyclic bleeding at normal intervals; the bleeding is either excessive in amount (> 80 ml) or duration (> 7 days) or both. • The term menotaxis is often used to denote prolonged bleeding.
  • 3. Causes • Menorrhagia is a symptom of some underlying pathology — organic or functional.
  • 5. B.Systemic • Liver dysfunction — failure to conjugate and thereby inactivates the oestrogens. • Congestive cardiac failure • Severe hypertension
  • 6. c.Endocrinal • Hypothyroidism • Hyperthyroidism d.Haematological • Idiopathic thrombocytopenic purpura • Leukaemia • von Willebrand's disease • Platelet deficiency e.Emotional upset 2. Functional • Due to disturbed hypothalamo-pituitary-ovarian- endometrial axis.
  • 7. Common causes of menorrhagia • Dysfunctional uterine bleeding • Fibroid uterus • Adenomyosis • Chronic tubo-ovarian mass
  • 8. DIAGNOSIS : • Long duration of flow, • passage of big clots, • use of increased number of thick sanitary pads, • pallor and low level of haemoglobin give an idea about the correct diagnosis and magnitude of menorrhagia.
  • 9. TREATMENT: The definitive treatment is appropriate to the cause for menorrhagia.
  • 10. POLYMENORRHOEA:(Epimenorr hoea) Definition • Polymenorrhoea is defined as cyclic bleeding where the cycle is reduced to an arbitrary limit of less than 21 days and remains constant at that frequency. • If the frequent cycle is associated with excessive and or prolonged bleeding, it is called epimenorrhagia.
  • 11. Causes : 1.Dysfunctional • It is seen predominantly during adolescence, preceding menopause and following delivery and abortion. • Hyperstimulation of the ovary by the pituitary hormones may be the responsible factor. 2.Ovarian hyperaemia
  • 12. • Treatment : Persistent dysfunctional type is to be treated by hormone .
  • 13. METRORRHAGIA Definition : • Metrorrhagia is defined as irregular, acyclic bleeding from the uterus. • Amount of bleeding is variable. • Then again, irregular bleeding in the form of contact bleeding or intermenstrual bleeding in an otherwise normal cycle is also included in metrorrhagia. • In fact, it is mostly related to surface lesion in the uterus . Menometrorrhagia is the term applied when the bleeding is so irregular and excessive that the menses (periods)
  • 14. Causes of acyclic bleeding • DUB — usually during adolescence, following childbirth and abortion and preceding menopause • Submucous fibroid • Uterine polyp • Carcinoma cervix and endometrial carcinoma
  • 15. Causes of intermenstrual bleeding • Urethral caruncle • Ovular bleeding • Breakthrough bleeding in pill use • IUCD in utero • Decubitus ulcer
  • 16. Treatment • Treatment is directed to the underlying pathology. • Malignancy is to be excluded prior to any definitive treatment.
  • 17. OLlGOMENORRHOEA Definition • Menstrual bleeding occurring more than 35 days apart and which remains constant at that frequency is called oligomenorrhoea.
  • 18. Causes • Age-related • Weight-related • Stress and exercise related • Endocrine disorders • Androgen producing tumours • Tubercular endometritis • Drugs: o phenothiazines o Cimetidine o methyldopa
  • 19. HYPOMENORRHOEA Definition : When the menstrual bleeding is unduly scanty and lasts for less than 2 days, it is called hypo- menorrhoea. Causes • The causes may be local • endocrinal • or systemic
  • 20. DYSFUNCTIONAL UTERINE BLEEDING (DUB) Definition • DUB is defined as a state of abnormal uterine bleeding without any clinically detectable organic, systemic and iatrogenic cause. • Heavy menstrual bleeding (HMB) is defined as a bleeding that interferes with woman's physical, emotional, social and material quality of life.
  • 21. Incidence • incidence of 10 per cent amongst new patients attending the out-patient seems logical. • The bleeding may be abnormal in frequency, amount or duration or combination of any three. • Currently DUB is defined as a state of abnormal uterine bleeding following anovulation due to dysfunction of hypothalamo-pituitary-ovarian axis (endocrine origin).
  • 22. Pathophysiology The physiological mechanism of haemostasis in normal menstruation are : (1) Platelet adhesion formation. (2) Formation of platelet plug with fibrin to seal the bleeding vessels. (3) Localised vaso constriction. (4) Regeneration of endometrium. Biochemical mechanism involved are :
  • 23. In increased endometrial ratio of PGF2α/PGE2. • PGF2α causes vasoconstriction and reduces bleeding. • Progesterone increases the level of PGF2α from arachidonic acid. • Levels of endothelin which is a powerful vasoconstrictor is also increased. • In anovulatory DUB there is decreased synthesis of PGF2α and the ratio of PGF2α/PGE2 is low. • Anovulatory cycles are usually not associated with dysmenorrhoea as the level of PGF2α is low. Women with menorrhagia have low level of thromboxane in the endometrium.
  • 24. • The endometrial abnormalities may be primary or secondary to incoordination in the hypothalamo- pituitary-ovarian axis. • Emotional influences, worries, anxieties or sexual problems sometimes are enough to disturb the normal hormonal balance.
  • 25. The abnormal bleeding may be associated with or without ovulation and accordingly grouped into : • Ovular bleeding • Anovular bleeding
  • 26. Ovular bleeding a.Polymenorrhoea or polymenorrhagia: • The condition usually occurs following childbirth and abortion, during adolescence and premenopausal period and in pelvic inflammatory disease. • The follicular development is speeded up with resulting shortening of the follicular phase. • This is probably due to hyperstimulation of the follicular growth by FSH. • Rarely, the luteal phase may be shortened due to premature lysis of the corpus luteum. Sometimes, it is related to stress induced stimulation. • Endometrial study prior to or within few hours of menstruation reveals secretory changes.
  • 27. b. Oligomenorrhoea: • Primary ovular oligomenorrhoea is rare. • It may be met in adolescence and preceding menopause. • The disturbance may be due to ovarian unresponsiveness to FSH or secondary to pituitary dysfunction. • There is undue prolongation of the proliferative phase with normal secretory phase. • Endometrial study prior to or within few hours of menstruation reveals secretory changes.
  • 28. Functional menorrhagia: Ovular menorrhagia is quite uncommon. Two varieties are found: • Irregular shedding of the endometrium. • Irregular ripening of the endometrium
  • 29. Irregular shedding of the endometrium • The abnormality is usually met in extremes of reproductive period. • Normally, regeneration of the endometrium is completed by the end of third day of menstruation. • In irregular shedding, desquamation is continued for a variable period with simultaneous failure of regeneration of the endometrium.
  • 30. The possible explanations are: • Incomplete withdrawal of LH even on 26th day of cycle incomplete atrophy of the corpus luteum persistent secretion of progesterone. • Persistent LH -» inhibition of FSH -» suppresses ripening of the follicle in the next cycle -> less oestrogen -» less regeneration. • Endometrial sampling performed after 5th or 6th day of the onset of menstruation reveals a mixture of secretory and proliferative endometrium. There is total absence of any surface epithelium.
  • 31. Irregular ripening of the endometrium • There is poor formation and inadequate function of the corpus luteum. • Secretion of both oestrogen and progesterone is inadequate to support the endometrial growth. • As such, slight bleeding occurs and continues prior to the start of proper flow. • The endocrine profile in the luteal phase shows persistent low level of urinary pregnanediol level of less than 3 mg or plasma progesterone level less than 5 ng/ml. • Endometrial study prior to or soon after spotting reveals patchy area of secretory changes amidst proliferative endometrium.
  • 32. Anovular bleeding a.Menorrhagia • Anovular bleeding is usually excessive. • In the absence of growth limiting progesterone due to anovulation, the endometrial growth is under the influence of oestrogen throughout the cycle. • There is inadequate structural stromal support and the endometrium remains fragile. • Thus, with the withdrawal of oestrogen due to negative feedback action of FSH, the endometrial shedding continues for a longer period in asynchronous sequences because of lack of compactness.
  • 33. b.Cystic glandular hyperplasia (Syn:Metropathiahaetnorrhagica,Schroeder's disease) • This type of abnormal bleeding is usually met in premenopausal women. • The basic fault may lie in the ovaries or may be due to disturbance of the rhythmic secretion of the gonadotrophins. • There is slow increase in secretion of oestrogen but no negative feedback inhibition of FSH. • The net effect is gradual rise in the level of oestrogen with concomittant phase of amenorrhoea for about 6-8 weeks.
  • 34. • As there is no ovulation, the endometrium is under the influence of oestrogen without being opposed by growth limiting progesterone for a prolonged period. • After a variable period, however, the oestrogen level falls resulting in endometrial shedding with heavy bleeding. • Bleeding also occurs when the endometrial growth have outgrown their blood supply. • Due to increased endometrial thickness, tissue breakdown continues for a long time. • Bleeding is heavy as there is no vasoconstrictor effect of PGF2α. • Bleeding is prolonged until the endometrium and blood vessels regenerate to control it.
  • 35. Changes in the uterus : • There is variable degree of myohyperplasia with symmetrical enlargement of the uterus to a size of about 8-10 weeks due to simultaneous hypertrophy of muscles . • The endometrial changes are classical. • On naked eye examination, the endometrium looks thick, congested and often polypoidal (multiple polyposis).
  • 36. Microscopically • There is marked hyperplasia of all the endometrial components. • There is however, intense cystic glandular hypertrophy rather than hyperplasia with marked disparity in sizes. • Some of the glands are small, others are large giving the appearance of "Swiss cheese" pattern (small and large holes of Swiss cheese made in Switzerland). • The glands are empty and lined by columnar epithelium. • Absence of secretory changes. • Areas of necrosis in the superficial layers with small haemorrhages and leucocytic infiltration .
  • 37. Changes in the ovary : • Cystic changes maybe observed involving one or both the ovaries. • The cyst may be single or multiple and the fluid contains oestrogen. • The cyst is of follicular type. There is no evidence of corpus luteum.
  • 38. Atrophy of the endometrium: • This type of abnormality is commonly met in postmenopausal women but may occur in reproductive period as final involutionary state of a previous metropathia. • The bleeding occurs from the rupture of the dilated capillaries beneath the atrophic surface epithelium. • The cause of endometrial atrophy may be due to total absence of oestrogen or failure of uterine receptors to become responsive to oestrogen.
  • 39. Endometrial pattern in DUB • In majority (60 %), the endometrium is normal secretory in every aspect. • In about 30 per cent, the endometrium is hyperplastic and in the remaining, there are evidences of irregular shedding, irregular ripening or atrophic pattern.
  • 40. • Investigations The investigation aims at . • To confirm the menstrual abnormality as stated by the patient. • To exclude the systemic, iatrogenic and 'organic' pelvic pathology. • To identify the possible aetiology of DUB. • To work out the definite therapy protocol
  • 41. History . • Confirmed that the bleeding is through the vagina and not from the urethra or rectum. • statement of excessive bleeding is assessed by number of pads used, passage of clots (size and number) and duration of bleeding. • If ambiguity is found from the estimated haemoglobin percentage, it is better to assess the blood loss by admitting the patient during period. • Among the patients presenting with menorrhagia, only about 50 per cent have got excess blood loss (> 80 ml).
  • 42. • Nature of menstrual abnormality is then to be enquired — cyclic or acyclic, its relation to puberty, pregnancy events and last normal cycle. • Any emotional upset or psychosexual problem should be elicited tactfully. • Use of steroidal contraceptives or IUCD insertion should be enquired. • History of abnormal bleeding from the injury site, epistaxis, gum bleeding or that suggestive of PID should be enquired. • Estimation of menstrual blood loss either directly by alkaline haematin or indirectly by pictorial chart is not routinely done.
  • 43. Internal examination : • Bimanual examination including speculum examination should be done in all cases except in virgins where rectal examination is to be done to exclude palpable pelvic pathology. • If vaginal examination is required in virgins, it should be done under general anaesthesia and along with endometrial curettage.
  • 44. Special investigations Blood values • Haemoglobin estimation is done in every case. • Serum feritin test is not done as a routine. • In pubertal menorrhagia not responding to usual therapy, platelet count, prothrombin time, bleeding time, partial thromboplastin time are to be estimated. • In suspected cases of thyroid dysfunction, serum TSH, T3, T4 estimation is to be done.
  • 45. • Ultrasound and Colour Doppler findings of endometrial hyperplasia are : (i) Endometrial thickness >12 mm. (ii) Hyperechoic and regular outline, (iii)Angiogenesis and neovascular signal study. • Transvaginalsonography (TVS) is also very sensitive to detect any anatomical abnormality (fibroid, adenomyosis) of the uterus, endometrium md adnexae. • Saline Infusion Sonography (SIS) is found very helpful to diagnose endometrial polyps, submucous fibroids and uterine abnormality (septate/subseptate uterus).
  • 46. Hysteroscopy • is done for better evaluation of endometrial lesion and to take biopsy from the offending site under direct vision. • The frequent findings of polyp and submucous fibroid are often missed by blind curettage. • Hysteroscopy and directed biopsy (H and B) can be performed on an outpatient basis. H and B has replaced conventional D and C .
  • 47. Endometrial sampling can be done as an outpatient basis. • Pipelle sampler is easy to use. • As it is a blind procedure, intrauterine pathology (polyps, submucous fibroids) can not be detected. Laparoscopy — to exclude unsuspected pelvic pathology such as endometriosis, PID or ovarian tumour (granulosa cell tumour). The indication is urgent, if associated with pelvic pain.
  • 48. Diagnostic uterine curettage (D & C) Diagnostic uterine curettage is indicated in DUB — (1) To exclude the organic lesions in the endometrium (incomplete abortion, endometrial polyp, tubercular endometritis or endometrial carcinoma). (2) To determine the functional state of the endometrium. (3) To have incidental therapeutic benefit. • In adolescent DUB, it is rarely needed only if bleeding fails to stop or is severe in nature . • During childbearing period (20-40 years), it should be done, if the bleeding is acyclic. Risk of endometrial carcinoma in this age group is verylow. • During premenopausal period, diagnostic curettage is mandatory prior to any therapy to exclude endometrial malignancy.
  • 50. During postmenopausal period, it is mandatory to exclude endometrial malignancy. Thin plastic endometrial tissue samplers (pipellae) are available . It helps to obtain adequate endometrial sample for histological examination. It is done as an OPD procedure without any anaesthetic.
  • 51. MANAGEMENT management protocols have been grouped accordingly. • Pubertal and adolescent menorrhagia < 20 years . • Reproductive period (20-40 years). • Premenopausal (> 40 years). • Postmenopausal .
  • 53. a. GENERAL -. Rest. Assurance and sympathetic handling diet, haematinics and blood transfusion. Clinically evident systemic or endocrinal abnormalities should be investigated and treated accordingly.
  • 54. b.MEDICAL MANAGEMENT OF DUB • Hormones • Progestins: The common preparations used are norethisterone acetate and medroxyprogesterone acetate .
  • 55. The preparations are used: • Cyclic therapy • Continuous therapy To stop bleeding and regulate the cycle: • Norethisterone preparations (5 mg tab) are used thrice daily till bleeding stops which it usually does by 3-7 days.
  • 56. Cyclic therapy • 5th-25th day course • 15th-25th day course.
  • 57. 5th to 25th day course : • In ovular bleeding — Any low dose combined oral pills are effective when given from 5th to 25th day of cycle for 3 consecutive cycles. • It causes endometrial atrophy. • It is more effctive as compared to progesterone therapy as it suppress the hypothalamopituitary axis more effectively. • Normal menstruation is expected to resume with restoration of normally functioning pituitary-ovarian-endometrial axis. • It reduces menstrual blood loss by 50 per cent. It serves as a contraceptive as well.
  • 58. In anovular bleeding • Cyclic progestogen preparation of medroxyprogesterone acetate (MPA) 10 mg or norethisterone 5 mg is used from 5th to 25th day of cycle for 3 cycles.
  • 59. 15th to 25th day course • In ovular bleeding, where the patient wants pregnancy or in cases of irregular shedding or irregular ripening of the endometrium, dydrogesterone 1 tab (10 mg) daily or twice a day from 15th to 25th day may cure the state. • This regimen is less effective than 5th to 25th day course. However, it does not suppress ovulation.
  • 60. Continuous progestins: • Progestins also inhibit pituitary gonadotropin secretion and ovarian hormone production. • Medroxyprogesterone acetate 10 mg thrice daily is given and treatment is usually continued for at least for 90 days. • Various continuous preparations may be used. Oral , long-acting intramuscular injections, DMPA implants Progestogen only pill are effective to reduce menstrual blood loss. They may also result in oligomenorrhoea or amenorrhoea. • Progesterone treatment helps organised endometrial shedding upto the basal layer and increases the endometrial ratio of PGF20C/PGE2 and thromboxane .
  • 61. Oestrogen: • In situations where the bleeding is acute and severe, conjugated oestrogen 25 mg is given IV. • It helps with rapid growth of the denuded endometrium and promotes platelet adhesiveness. • It controls bleeding by process of healing. • It may be repeated every four hours till the bleeding is controlled, when oral therapy is started. • Once the bleeding stops, progestin (MPA 10 mg a day) is to be added. • COC is used for long term treatment. • Proliferation of endometrium, increase in the level of fibrinogen, factors - V, X and platelet aggregation are the other mechanisms of action for oestrogen therapy. • If bleeding continues further, D and C is indicated.
  • 62. Intrauterine progestogen • Levonorgestrel intrauterine system (LNGIUS) induces endometrial glandular atrophy, stromal decidualisation and endometrial cell inactivation . • It is effective for 5 years. It has minimal systemic absorption. • Reduction of blood loss is upto 97 per cent. • It is considered as medical hysterectomy. • In addition to its many other health benefits it is an effective contraceptive measure . • LNG-IUS is recommended as a first line therapy for a woman with HMB in the absence of any structural or histological abnormality.
  • 63. Danazol • Danazol is suitable in cases with recurrent symptoms and in patients waiting for hysterectomy. • The dose varies from 200-400 mg daily in 4 divided doses continuously for 3 months. • A smaller dose tends to minimise the blood loss and a higher dose produces amenorrhoea . • It reduces blood loss by 60 per cent. However, danazol should not be used as a routine.
  • 64. Mifepristone (RU 486): • It is an anti-progesterone (19 nor steroid). • It inhibits ovulation and induces amenorrhoea and reduces myoma size .
  • 65. GnRH agonists : • The subtherapeutic doses reduce the blood loss whereas in therapeutic doses produce amenorrhoea. • It is valuable as short-term use in severe DUB, particularly if the woman is infertile and wants pregnancy. • The drugs are used subcutaneously or intranasally. • It improves anaemia, and is helpful when used before endometrial ablation
  • 66. NON HORMONAL MANAGEMENT Anti-fibrinolytic agents (Tranexamic acid) • It reduces menstrual blood loss by 50 per cent. • It counteracts the endometrial fibrinolytic system. • It is particularly helpful in IUCD induced menorrhagia. • Gastrointestinal side effects are common.
  • 67. Prostaglandin synthetase inhibitors: Mefenamic acid is much effective in women aged more than 35 years and in cases of ovulatory DUB. The dose is 150-600 mg orally in divided doses during the bleeding phase. The fenamates inhibit the synthesis of prostaglandins and interfere with the binding of PGE2 to its receptor. NSAIDS can reduce menstrual blood loss by 25-40 per cent. Improvement of dysmenorrhoeaheadache, or nausea are the added benefits. Side effects are often mild. NSAIDS may be used as second line medical treatment
  • 68. • Desmopressin — is a synthetic analogue of arginine — vasopressin. • It is especially indicated in cases with von Willebrand's disease and factor VIII deficiency. • It is given IV (0.3 pg/kg) or intranasally.
  • 69. 3.SURGICAL MANAGEMENT OF DUB • Uterine curettage • Endometrial ablation/resection • Hysterectomy
  • 70. A.Uterine curettage • It is done predominantly as a diagnostic tool for elderly women • it has got haemostatic and therapeutic effect by removing the necrosed and unhealthy endometrium. • It should be done following ultrasonography for detection of endometrial pathology. • The indication is an urgent one, if the bleeding is acyclic and where endometrial pathology is suspected. • Ideally hysteroscopy and directed biopsy should be considered both for the purpose of diagnosis and therapy. • Presently, dilatation and curettage should be used neither as a diagnostic tool nor for the purpose of therapy.
  • 71. B.Endometrial ablation/resectson • Indications are : • (a) Failed medical treatment • (b) women do not wish to preserve menstrual or reproductive function • (c) uterus — normal size or no bigger than 10 weeks pregnancy size • (d), small • uterine fibroids, (< 3 cm) • (e) women , who want to avoid longer surgery • (f) women prefers to preserve her uterus.
  • 72. • Laser ablation of the endometrium using the Nd: YAG laser through hysteroscope is an alternative to hysterectomy. • It is employed as an elective alternative to hysterectomy or when hysterectomy has been medically contraindicated. • Tissue destruction (coagulation, vaporisation and carbonisation) to a depth of 4-5 mm produces a therapeutic Asherman's syndrome and amenorrhoea.
  • 73. • Uterine thermal balloon for destruction of endometrium • Endometrium is destroyed using a thermal balloon with hot normal saline (87°C) for 8-10 minutes. • No dilatation of the cervical canal is needed. This procedure is suitable for women who are not suitable for general anaesthetic or long duration surgery.
  • 74. • Microwave endometrial ablation is simple and carried out as an outpatient procedure. • Microwave electromagnetic heat energy causes ablation of the endometrium. • Endometrial tissue upto a depth of 6 mm is ablated. • Temperature in the region is 75-80°C. • Treatment time (2-3 minutes) .
  • 75. • Novasure: Endometrial ablation is done using a bipolar radio frequency mounted on an expandable frame. • This creates a confluent lesion on the entire endometrial surface. • Radio frequency energy vaporises or coagulates the endometrium upto the myometrium. • The procedure is quick, simple and safe. Women with uterine cavity < 4 cm, PID, caesarean delivery are contraindicated. • Pretreatment with danazol or GnRH agonists for 3 weeks prior to endometrial ablation is helpful to make the endometrium atrophic.
  • 76. Uterine artery embolisation is commonly done in women with large uterine fibroid (> 3 cm) with heavy bleeding. Particles are injected to block uterine artery under local anaesthesia. This shrinks fibroids. The procedure is safe and effective.
  • 77. • Hysterectomy is not recommended as a first line therapy for heavy menstrual bleeding (HMB) or DUB. • Presence of endometrial hyperplasia and atypia on endometrial histology, is an indication for hysterectomy. • The decision can be made easily as the patient is approaching 40. • Healthy ovaries may be preserved at the time of hysterectomy especially those under 45 years of age.
  • 78. COMPLICATIONS OF MENSTRUAL IRREGULARITIES • difficulty getting pregnant, • anemia and • infertility.