Initiation of labor involves all of the following EXCEPT
A)corticotropin-releasing hormone from the placenta.
B)DHEAS from the fetal adrenal gland.
C)cortisol from the mother and fetus.
D)human chorionic gonadotropin from the placenta.

Question

Quizplus · Accepted Answer

Human chorionic gonadotropin (hCG) is not involved in initiation of labor. It is produced by the placenta in early pregnancy and helps to maintain the corpus luteum, which produces progesterone to support the pregnancy. However, as labor approaches, progesterone levels decrease and are replaced by increased levels of cortisol and other hormones. Corticotropin-releasing hormone (CRH) is also produced by the placenta and stimulates the production of cortisol by the fetal adrenal gland, which is necessary for the maturation of organs and tissues in preparation for birth.

Initiation of Labor Involves All of the Following EXCEPT