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Welcome to
Seminar on
Physiology of
lactation and it’s
management
Introduction
”The more we know
about human breast
milk the more we
discover about its
value in human
nutrition and
development”.
Objectives of Lactation
management:-
1. Review public health impact of
breastfeeding.
2. Understand physiology of
lactation.
3. Identify the differential
diagnosis and treatment for
common breastfeeding
problems
» Low milk supply,
» Mastitis,
» Breast abscess.
AAP Recommendations:-
 Exclusive breastfeeding for the
first six months of life
 Continued breastfeeding for at
least one year,
 As long as is mutually desired
by mother and child
Exclusive breast feeding
 Exclusive breast feeding
means feeding the baby
with breast milk soon after
birth and continuing it until
6 month of age without
giving baby any other food
.The baby is given only
breast milk and nothing
else whenever the baby is
hungry
Benefits of Breastmilk
1. Carbohydrates:-
2. Proteins
3. Fats
4. Vitamins & Minerals
5. Water & Electrolytes
6. Immunological
Superiority
7. Protection against other
illness
8. Mental growth
Benefits…..contd
9.Childhood obesity
10.Necrotizing enterocolitis in
premature infants
Benefits to mother
1. Helps uterine involution
2. Reducing chances of postpartum
hemorrhage.
3. lactational amenorrhea
4. Helps in birth spacing.
5. Convenient & time saving.
6. Reduces the risk of cancer
7. Improves the figure of the mother
Breastmilk where and how it is
produced?
Ppt of physiology of lactation
Physiology of Lactation
The physiological basis of lactation
is divided into four phases :-
1. Preparation of breasts
(Mammogenesis).
2. Synthesis and secretion from the
breast alveoli (lacto genesis).
3. Ejection of milk (galactokinesis).
4. Maintenance of lactation
(galactopoiesis).
Mammogenesis
Ppt of physiology of lactation
Physiology of Lactation
 lacto genesis:-
1. Begins when estrogen and
progesterone are withdrawn
following delivery,
2. Prolactin begins its milk
secretary activity
3. The secretary activity is
enhanced growth hormone,
thyroxine, glucocorticoids and
insulin.
4. Milk secretion actually starts on 3rd
Physiology……..
 Galactokinesis/Milk let down
reflex
 Discharge of milk from the
mammary glands depends
not only on the suction
exerted by the baby during
sucking but also on the
contractive mechanism which
expresses the milk from the
Ppt of physiology of lactation
Ppt of physiology of lactation
Physiology……..
 Galactopoiesis:-
 Prolactin appears to be the
single most important
galactopoietics hormone. For
maintenance of effective and
continuous lactation, suckling
is essential.
Milk production
 A healthy mother may
produce about 500-800 ml
of milk a day to feed her
infant with about 500 kcal
/day
Reflexes in the baby
 The rooting
reflex
 The suckling
reflex
 The
swallowing
reflex
Factor Which Lessen Milk
Production:-
 Dummies, pacifiers, bottles-even one or
two feeds.
 Making the baby wait for feeds.
 Giving feeds like sugar water gripe
water, honey, breast milk substitutes or
formula, either as prelacteal feeds or at
anytime.
 Certain medications for mothers like oral
contraceptives or methergine.
 Painful breast conditions like sore or
cracked nipples & congested breast.
Drugs to improve milk
production:-
 Metclopramide (10 mg
thrice daily) increases
the blood volume by
increasing prolactin
level. Intranasal oxytocin
contracts myoepithelial
cells and causes milk let
down
The Varying Composition of
Breastmilk:-
Colostrum
Transitional milk
Mature milk
Preterm milk.
Fore milk
Hind milk
Colostrum
Colostrum is the milk
secreted during the first three
days after delivery. It is yellow
& thick & contains more
antibodies & cells & high
amounts of vitamins A, D, E &
K.
Initiation of breastfeeding
 Breast feeding should be started within half an
hour of birth as soon as possible after normal
delivery where as in case of caesarian section
delivery ,within 4 hour.Rooming in and bedding
should be done with mother and baby to
prevent separation and promote breast
feeding.
Technique of
Breastfeeding:-
 Positioning:-
 Baby’s head & body straight.
 Baby’s body turned towards the mother,
nose opposite the nipple.
 Baby’s body touching mother’s
abdomen.
 Baby’s whole body well supported not
just neck or shoulders.
 Mother should than support her breast
with her finger flat against her chest wall
under her breast.

Ppt of physiology of lactation
Ppt of physiology of lactation
Ppt of physiology of lactation
Ppt of physiology of lactation
Ppt of physiology of lactation
Ppt of physiology of lactation
Technique of Breastfeeding:-
 Good Attachment:-
Baby’s mouth wide open.
Baby’s lower lip everted.
Upper areola more visible than
the lower.
Baby’s chin touching the
breast.
Ppt of physiology of lactation
Effective suckling:-
 Baby’s cheeks are
full & not hollow.
 Baby suckles
pauses & suckles in
regular deep sucks.
Ppt of physiology of lactation
Principles of breast feeding:-
 Breast feeding should be done in as clean and
safe as manner as possible.
 The mother and baby should be comfortable
and relaxed at feeding time.
 Breast feeding should be initiated within the
first half hour after birth.
 Colostrum is most suitable food for the baby
during the first few days after birth because it
contains a high concentration of nutrients and
anti-infective substances
 The intervals between feeds vary between 1-4
hours.
 Starting from the initial 5 mins of feeding, the
time can be gradually increased to 15 to 20
minutes in the subsequent days
 Burping should be done after the feeding in order
to kick out the swallowed air.
 The baby should be allowed to suckle from both
the breasts during each feeding.
 It is desirable to feed the baby on demand it
helps baby to gain weight.
 The mother should be instructed to feed the child
even when the child is ill.
Contraindication of breast
feeding:-
 In Mother
1. Chronic disease such as active TB,
leprosy, AIDS etc.
2. Mothers addicted to alcohol or heavy
doses of some drugs.
3. Psychosis
4. Local condition like breast abscess,
cracked nipples
The mother should give adequate attention
to her diet, personal hygiene and health and
should have sufficient rest.
Contraindication…….
 In infant:-
 Gross prematurity of baby or other
conditions in which the newborn
cannot suckle.
 Inborn errors such as
phenylketonuria, lactose intolerance.

Problems in
breastfeeding……
 Treatment is started
after birth of the baby.
 The nipple is
manually stretched &
rolled out several
times a day.
 A pump or a plastic
syringe is used to
draw out the nipple &
the baby is then put
Sore nipple:-
 Correct positioning & latching of
the baby to the breast.
 Hind milk should be applied to
the nipple after a feed.
 The nipple should be aired &
allowed to heal in between
feeds
 If the baby has oral thrush, treat
it and apply the same medicine
on mother’s nipple.
 If sucking is impossible for a
day or two express the milk and
feed the baby from cup.
Breast engorgement: -
 Treatment:-consists of local warm
water packs, & analgesics to the
mother to relieve the pain.
 Allow the baby to suckle as far as
possible. If the baby cannot get
hold of an engorged breast, help
the mother to express milk. Milk
should be gently expressed to
soften the breast to make the
mother comfortable& then the
mother must be helped to correctly
latch the baby to the breast. Hand
expression is preferable.
Breast abscess, Blocked duct,
Mastitis
 Treatment:-
 Mother must be treated with milk
expression, analgesics and
antibiotics.
 The abscess may have to be incised
and drained.
 Breastfeeding must be continued
from the other breast.
 If sucking is painful, help her to
express her milk every 3 hours.
 Warm compression help to relieve
pain.
 If mother develops fever, chills, body
ache, she may need a full course of
Problems in
breastfeeding……
5. Menstruation and pregnancy:-
Mother can feed during menstruation and
half way through pregnancy. If she is eating
well, breast feeding can continue throughout
the pregnancy.
6. Maternal illness:-
Most maternal illness does not require
discontinuation of breastfeeding. It is
recommended with mastitis, Breast abscess,
UTI, TB, hepatitis, typhoid, leprosy.
Expressed Breast milk:-
 If a mother is not in a position to feed her
baby (e.g., ill mother, preterm baby,
working mother etc.) or has engorged
breasts, she should express her milk in a
clean wide mouthed container and this
milk should be fed to her baby. Expressed
breast milk can be stored at room
temperature for 10 hours, in a refrigerator
for 20 hours and a freezer at -20˚C for 3
months.
 Tropic Feeds:-
Trophic feeds are small amount of expressed breastmilk
(often less than 4mL/kg) fed to the preterm neonates by
tubeTrophic feeds often consists of just 1-3mL of
expressed breastmilk given once to four times a day.
 Shared nursing:-
A woman who is engaged to breastfeed another's baby
is known as a wet nurse. Shared nursing can
sometimes provoke negative reactions in
the Anglosphere
 Tandem nursing:-
Feeding two children at the same time who are not
twins or multiples is called tandem nursing.
Human milk bank:-
 A human milk
bank is a service
which collects,
screens,
processes, and
dispenses by
prescription human
milk donated by
nursing mothers
who are not
biologically related
 Donor’s requirement:-
1. Be healthy
2. Be in the process of
lactation
3. Undertake a chest x-
ray
4. Have a negative
VDRL
5. No evidence of
Hepatitis
Storage of milk:-
 Milk can be stored at
in the freezer at 20o C
at home.
 Milk is stored at room
temperature upto 10
hours.
 Milk can be stored at
-40C upto 8 days.
Research study:-
Conclusion
 According to some authorities, increasing evidence
suggests that early skin-to-skin contact (also
called kangaroo care) between mother and baby
stimulates breastfeeding behaviour in the
baby. Newborns who are immediately placed on their
mother’s skin have a natural instinct to latch on to the
breast and start nursing.According to studies cited
by UNICEF, babies naturally follow a process which
leads to a first breastfeed. Initially after birth the baby
cries with its first breaths. Shortly after, it relaxes and
makes small movements of the arms, shoulders and
head. The baby crawls towards the breast and begins
to feed. After feeding, it is normal for a baby to remain
latched to the breast while resting. This is sometimes
mistaken for lack of appetite.

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Ppt of physiology of lactation

  • 1. Welcome to Seminar on Physiology of lactation and it’s management
  • 2. Introduction ”The more we know about human breast milk the more we discover about its value in human nutrition and development”.
  • 3. Objectives of Lactation management:- 1. Review public health impact of breastfeeding. 2. Understand physiology of lactation. 3. Identify the differential diagnosis and treatment for common breastfeeding problems » Low milk supply, » Mastitis, » Breast abscess.
  • 4. AAP Recommendations:-  Exclusive breastfeeding for the first six months of life  Continued breastfeeding for at least one year,  As long as is mutually desired by mother and child
  • 5. Exclusive breast feeding  Exclusive breast feeding means feeding the baby with breast milk soon after birth and continuing it until 6 month of age without giving baby any other food .The baby is given only breast milk and nothing else whenever the baby is hungry
  • 6. Benefits of Breastmilk 1. Carbohydrates:- 2. Proteins 3. Fats 4. Vitamins & Minerals 5. Water & Electrolytes 6. Immunological Superiority 7. Protection against other illness 8. Mental growth
  • 7. Benefits…..contd 9.Childhood obesity 10.Necrotizing enterocolitis in premature infants Benefits to mother 1. Helps uterine involution 2. Reducing chances of postpartum hemorrhage. 3. lactational amenorrhea 4. Helps in birth spacing. 5. Convenient & time saving. 6. Reduces the risk of cancer 7. Improves the figure of the mother
  • 8. Breastmilk where and how it is produced?
  • 10. Physiology of Lactation The physiological basis of lactation is divided into four phases :- 1. Preparation of breasts (Mammogenesis). 2. Synthesis and secretion from the breast alveoli (lacto genesis). 3. Ejection of milk (galactokinesis). 4. Maintenance of lactation (galactopoiesis).
  • 13. Physiology of Lactation  lacto genesis:- 1. Begins when estrogen and progesterone are withdrawn following delivery, 2. Prolactin begins its milk secretary activity 3. The secretary activity is enhanced growth hormone, thyroxine, glucocorticoids and insulin. 4. Milk secretion actually starts on 3rd
  • 14. Physiology……..  Galactokinesis/Milk let down reflex  Discharge of milk from the mammary glands depends not only on the suction exerted by the baby during sucking but also on the contractive mechanism which expresses the milk from the
  • 17. Physiology……..  Galactopoiesis:-  Prolactin appears to be the single most important galactopoietics hormone. For maintenance of effective and continuous lactation, suckling is essential.
  • 18. Milk production  A healthy mother may produce about 500-800 ml of milk a day to feed her infant with about 500 kcal /day
  • 19. Reflexes in the baby  The rooting reflex  The suckling reflex  The swallowing reflex
  • 20. Factor Which Lessen Milk Production:-  Dummies, pacifiers, bottles-even one or two feeds.  Making the baby wait for feeds.  Giving feeds like sugar water gripe water, honey, breast milk substitutes or formula, either as prelacteal feeds or at anytime.  Certain medications for mothers like oral contraceptives or methergine.  Painful breast conditions like sore or cracked nipples & congested breast.
  • 21. Drugs to improve milk production:-  Metclopramide (10 mg thrice daily) increases the blood volume by increasing prolactin level. Intranasal oxytocin contracts myoepithelial cells and causes milk let down
  • 22. The Varying Composition of Breastmilk:- Colostrum Transitional milk Mature milk Preterm milk. Fore milk Hind milk
  • 23. Colostrum Colostrum is the milk secreted during the first three days after delivery. It is yellow & thick & contains more antibodies & cells & high amounts of vitamins A, D, E & K.
  • 24. Initiation of breastfeeding  Breast feeding should be started within half an hour of birth as soon as possible after normal delivery where as in case of caesarian section delivery ,within 4 hour.Rooming in and bedding should be done with mother and baby to prevent separation and promote breast feeding.
  • 25. Technique of Breastfeeding:-  Positioning:-  Baby’s head & body straight.  Baby’s body turned towards the mother, nose opposite the nipple.  Baby’s body touching mother’s abdomen.  Baby’s whole body well supported not just neck or shoulders.  Mother should than support her breast with her finger flat against her chest wall under her breast. 
  • 32. Technique of Breastfeeding:-  Good Attachment:- Baby’s mouth wide open. Baby’s lower lip everted. Upper areola more visible than the lower. Baby’s chin touching the breast.
  • 34. Effective suckling:-  Baby’s cheeks are full & not hollow.  Baby suckles pauses & suckles in regular deep sucks.
  • 36. Principles of breast feeding:-  Breast feeding should be done in as clean and safe as manner as possible.  The mother and baby should be comfortable and relaxed at feeding time.  Breast feeding should be initiated within the first half hour after birth.  Colostrum is most suitable food for the baby during the first few days after birth because it contains a high concentration of nutrients and anti-infective substances
  • 37.  The intervals between feeds vary between 1-4 hours.  Starting from the initial 5 mins of feeding, the time can be gradually increased to 15 to 20 minutes in the subsequent days  Burping should be done after the feeding in order to kick out the swallowed air.  The baby should be allowed to suckle from both the breasts during each feeding.  It is desirable to feed the baby on demand it helps baby to gain weight.  The mother should be instructed to feed the child even when the child is ill.
  • 38. Contraindication of breast feeding:-  In Mother 1. Chronic disease such as active TB, leprosy, AIDS etc. 2. Mothers addicted to alcohol or heavy doses of some drugs. 3. Psychosis 4. Local condition like breast abscess, cracked nipples The mother should give adequate attention to her diet, personal hygiene and health and should have sufficient rest.
  • 39. Contraindication…….  In infant:-  Gross prematurity of baby or other conditions in which the newborn cannot suckle.  Inborn errors such as phenylketonuria, lactose intolerance. 
  • 40. Problems in breastfeeding……  Treatment is started after birth of the baby.  The nipple is manually stretched & rolled out several times a day.  A pump or a plastic syringe is used to draw out the nipple & the baby is then put
  • 41. Sore nipple:-  Correct positioning & latching of the baby to the breast.  Hind milk should be applied to the nipple after a feed.  The nipple should be aired & allowed to heal in between feeds  If the baby has oral thrush, treat it and apply the same medicine on mother’s nipple.  If sucking is impossible for a day or two express the milk and feed the baby from cup.
  • 42. Breast engorgement: -  Treatment:-consists of local warm water packs, & analgesics to the mother to relieve the pain.  Allow the baby to suckle as far as possible. If the baby cannot get hold of an engorged breast, help the mother to express milk. Milk should be gently expressed to soften the breast to make the mother comfortable& then the mother must be helped to correctly latch the baby to the breast. Hand expression is preferable.
  • 43. Breast abscess, Blocked duct, Mastitis  Treatment:-  Mother must be treated with milk expression, analgesics and antibiotics.  The abscess may have to be incised and drained.  Breastfeeding must be continued from the other breast.  If sucking is painful, help her to express her milk every 3 hours.  Warm compression help to relieve pain.  If mother develops fever, chills, body ache, she may need a full course of
  • 44. Problems in breastfeeding…… 5. Menstruation and pregnancy:- Mother can feed during menstruation and half way through pregnancy. If she is eating well, breast feeding can continue throughout the pregnancy. 6. Maternal illness:- Most maternal illness does not require discontinuation of breastfeeding. It is recommended with mastitis, Breast abscess, UTI, TB, hepatitis, typhoid, leprosy.
  • 45. Expressed Breast milk:-  If a mother is not in a position to feed her baby (e.g., ill mother, preterm baby, working mother etc.) or has engorged breasts, she should express her milk in a clean wide mouthed container and this milk should be fed to her baby. Expressed breast milk can be stored at room temperature for 10 hours, in a refrigerator for 20 hours and a freezer at -20˚C for 3 months.
  • 46.  Tropic Feeds:- Trophic feeds are small amount of expressed breastmilk (often less than 4mL/kg) fed to the preterm neonates by tubeTrophic feeds often consists of just 1-3mL of expressed breastmilk given once to four times a day.  Shared nursing:- A woman who is engaged to breastfeed another's baby is known as a wet nurse. Shared nursing can sometimes provoke negative reactions in the Anglosphere  Tandem nursing:- Feeding two children at the same time who are not twins or multiples is called tandem nursing.
  • 47. Human milk bank:-  A human milk bank is a service which collects, screens, processes, and dispenses by prescription human milk donated by nursing mothers who are not biologically related  Donor’s requirement:- 1. Be healthy 2. Be in the process of lactation 3. Undertake a chest x- ray 4. Have a negative VDRL 5. No evidence of Hepatitis
  • 48. Storage of milk:-  Milk can be stored at in the freezer at 20o C at home.  Milk is stored at room temperature upto 10 hours.  Milk can be stored at -40C upto 8 days.
  • 50. Conclusion  According to some authorities, increasing evidence suggests that early skin-to-skin contact (also called kangaroo care) between mother and baby stimulates breastfeeding behaviour in the baby. Newborns who are immediately placed on their mother’s skin have a natural instinct to latch on to the breast and start nursing.According to studies cited by UNICEF, babies naturally follow a process which leads to a first breastfeed. Initially after birth the baby cries with its first breaths. Shortly after, it relaxes and makes small movements of the arms, shoulders and head. The baby crawls towards the breast and begins to feed. After feeding, it is normal for a baby to remain latched to the breast while resting. This is sometimes mistaken for lack of appetite.