Stages of labor(3)
Second stage: (giving birth): it starts from the full dilation of cervix and ends with expulsion of the fetus from the birth canal. Its duration is 1-2 h in primigravidae, 30 minutes in multiparae.
Third stage: it begins immediately after delivery of the infant and ends with the delivery of the placenta. Its average duration is about 15 minutes in both primigravidae and multiparae.