6.Normal Labor,Delivery And The Puerperium

Normal Labor ,Delivery and the Puerperium Department of Obstetrics and Gynecology , The general hospital of Tian Jin medical university Zhang Xuhong

Four major factors determined labor and delivery ,[object Object],[object Object],[object Object],[object Object]

The power : The characteristics of myometrial muscle are unique which compared with skeletal muscle ,[object Object],[object Object],[object Object],[object Object]

An important ancillary force in expulsion of the fetus is that produced by increased maternal intra-abdominal pressure.

Pelvic Planes ,[object Object],[object Object],[object Object],[object Object]

Main pelvic diameters ,[object Object],[object Object],[object Object]

Cervical Effacement ,[object Object],[object Object],[object Object],[object Object],[object Object]

Psychological factors :recent research has shown that it act an important role in labor.because of fearing labor pain,a considerable number of women suffered dystocia.

Labor ,[object Object],[object Object],[object Object]

What is the regular contraction ? ,[object Object],[object Object],[object Object]

Preparation for labor ,[object Object],[object Object],[object Object],[object Object]

Engagement ,[object Object],[object Object]

[object Object],[object Object]

Labor is divided into three stages ,[object Object],[object Object],[object Object]

Third stage : is from the birth of the baby to the delivery of placenta and membrances .

Length of stages 5~15min 5~15min Duration of third stage 5~30min 1~2hours Duration of second stage 1.5cm/hour 1.2cm/hour Rate of cervical dilatation during active phase 6~8 hours 11~12 hours Duration of the first stage multipara primipara

Management of first stage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Second stage of labor----Descent of the fetal head T he mechanism of the labor : six-movements of the baby enable it to adapt to the maternal pelvis. They are: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Descent ,[object Object],[object Object],[object Object],[object Object]

Flexion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Internal Rotation ,[object Object],[object Object],[object Object]

Extension ,[object Object],[object Object],[object Object],[object Object]

External Rotation ,[object Object],[object Object]

Clinical management of second stage ,[object Object],[object Object],[object Object],[object Object]

Clinical management of third stage ,[object Object],[object Object],[object Object]

Signs of placental separation ,[object Object],[object Object],[object Object],[object Object]

Perineal laceration classified as: ,[object Object],[object Object],[object Object],[object Object]

Puerperium ,[object Object],[object Object]

lochia ,[object Object],[object Object],[object Object],[object Object]

Lactation ,[object Object],[object Object],[object Object]

Induction and Augmentation of labor ,[object Object],[object Object]

Several principles about oxytocin used should be note: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Complications of induction ,[object Object],[object Object],[object Object],[object Object]

6.Normal Labor,Delivery And The Puerperium

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6.Normal Labor,Delivery And The Puerperium