When pregnancy does not occur, the life of corpus luteum is about
$10$ days
$14$ days
$28$ days
Corpus luteum is not found
Ovulation takes place in/on
Mention the importance of $LH$ surge during menstrual cycle.
In woman cessation of menstruation occurs at the age of
In girl, the first menstruation begins at puberty and is called .....
No new follicles develop in the luteal phase of the menstrual cycle because