The main function of mammalian corpus luteum is to produce:

Options

A. oestrogen only
B. progesterone
C. human chorionic gonadotropin
D. relaxin only

Answer

B

Explanation

(b) The main function of mammalian corpus luteum is the secretion of progesterone which is essential for the maintenance of endometrium. Endometrium is necessary for implanatation of the fertilised ovum and other events of pregnancy.
Corpus luteum also secretes some amount of estrogen to maintain pregnancy. hCG (human Chorionic Gonadotropin) is secreted by placenta for maintaining the corpus luteum.
Relaxin is secreted by corpus luteum during the end of gestation period.