By the influence of which hormone menstruation starts first in female is

At what age menstruation starts in girls ?

Onset of menstruation of human female is called

Onset of menstruation of human female is called

First menstruation in girls is termed as

First menstruation in human female is called:

Given below is an incomplete flow chart showing influence of hormones on gametogensis in females. Study it carefully and identify A, B, C and D.

Given below is an incomplete flow chart showing influence of hormones on gametogensis in females. Study it carefully and identify A, B, C and D.

Given below is an incomplete flow chart showing influence of hormones on gametogensis in females. Study it carefully and identify A, B, C and D.

The hormone that helps in release of ovum, menstruation, secondary sexual characters in female