Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 28 - Pregnancy and Human Development - Review Questions: 8

Answer

C. The term afterbirth, in the connection of parturition, is usually considered to comprise the placenta and the torn fetal membranes. The fetal membranes --amnion and chorion are usually considered parts of the afterbirth, but some people also include part of the umbilical cord in "afterbirth."

Work Step by Step

After the birth of the baby, another delivery of the placenta and the attached fetal membranes which consists of the umbilical chord the torn amniotic sac and the torn chorionic membrane. The umbilical chord is attached and needs to come out with the baby along with the placenta. The baby was in an amniotic sac --formed by outer chorionic and inner amniotic membranes. These torn membranes--which ruptured when the mother's " water broke" also needs to comes out of the uterus. If the placenta and all of the attached fetal membranes do not come out, this can lead to a post-partum hemorrhage.
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