Question

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

(a) High level of FSH and LH stimulates the thickening of endometrium 

(b) High level of FSH and LH facilitate implantation of the embryo

(c) High level of hCG stimulates the synthesis of estrogen and progesterone 

(d) High level of hCG stimulates the thickening of endometrium

Answer 1

Correct option (c) High level of hCG stimulates the synthesis of estrogen and progesterone

Explanation

hCG (human Chorionic Gonadotrophin) secretion occurs about 48-72 hours after implantation. Its level increases and excess of hCG leaks into urine which is the indication of Pregnancy.

This hormone like LH stimulates the corpus luteum to secrete high levels of progesterone and some estrogen to maintain pregnancy There steroids are required to maintain the development of placenta, initiate the development of mammary glands and inhibit ovulation.