When pregnancy does not occur, the life of corpus luteum is about

Proliferation of endometrium of uterus in controlled by

The placenta helps in the maintenance of pregnancy by secreting a hormone, known as

What are the changes in the oogonia during the transition of a primary follicle to Graafian follicle ?

Correct hormonal sequence in the increase of menstruation is

Which of the following is false for progesterone ?