复旦大学附属妇产科医院：《妇产科学》课程教学资源（PPT课件讲稿）正常分娩与异常分娩

正常分娩与异常分娩 张斌 zhangbinyuan(@yahoo.com.cn

正常分娩与异常分娩 张斌 zhangbinyuan@yahoo.com.cn

Three elements 3P) Powers assage Passenger --For a normal delivery to take place, each of these three factors must fulfil its own role and interact efficiently with the other two factors

Three elements(3P) • Powers • Passages • Passenger • ----For a normal delivery to take place, each of these three factors must fulfil its own role, and interact efficiently with the other two factors

The stages of labour First stage: full cervical dilatation Second stage: delivery of the baby Third stage: delivery of the placenta and membranes

The stages of labour • First stage:full cervical dilatation • Second stage:delivery of the baby • Third stage:delivery of the placenta and membranes

Cardinal movements in labour Fetal head descent and increased flexion Internal rotation · Extention Restitution External rotation

Cardinal movements in labour • Fetal head descent and increased flexion • Internal rotation • Extention • Restitution • External rotation

I Head floating, before engagement ( 2. Engagement; flexion, descent

3. Further descent. internal rotation. 4. Complete rotation, beginning extension

5. Complete extensi。n 6. Restitution. (external rotation)

L正这 7 Del of ant. shoulder 8. Delivery of posterior shoulder

Partogram a composite chart includes the patients identification and helps to pictorially present the progress in labour

Partogram • A composite chart includes the patient’s identification and helps to pictorially present the progress in labour

Normal labour Conduct of the Second Stage Dorsal position(lithotomy position) Episiotomy Guards the perineum assist the flexion and extension

Normal Labour • Conduct of the Second Stage – Dorsal position(lithotomy position) – Episiotomy – Guards the perineum – Assist the flexion and extension