Select the correct option describing gonadotropin activity in normal pregnant female.

Options

A. High level of hCG stimulates the thickening of endometrium
B. High level of FSH and LH stimulates the thickening of endometrium
C. High level of FSH and LH facilitate implantation of the embryo
D. High level of hCG stimulates the synthesis of estrogen and progesterone

Answer

D

Explanation

In a normal pregnancy-
* hCG from the placenta maintains the corpus luteum and the secretion of estrogen and progesterone by it.
* The FSH and LH levels are suppressed during pregnancy thus both option (b) and (c) are incorrect.