In human reproduction,once conception and successful implantation have occurred,
A)CG secreted by the placenta simulates the activity of LH.
B)the corpus luteum continues progesterone and estrogen secretion for the first trimester.
C)the placenta eventually assumes the production of progesterone and estrogen.
D)all of the above

Question

Quizplus · Accepted Answer

Once conception and successful implantation have occurred, CG (which is secreted by the placenta) simulates the activity of LH. The corpus luteum continues progesterone and estrogen secretion for the first trimester, but eventually the placenta assumes the production of progesterone and estrogen. Therefore, all of the above choices are correct.

In Human Reproduction,once Conception and Successful Implantation Have Occurred