Around which age menarche occurs in girls ?

What is the name of the process in which the thickened uterus lining along with its blood vessels is removed from the body of a woman through vaginal bleeding?

Which comes earlier in the life of a woman: menarche or menopause?

Around which age menopause occurs in woman?

State one situation (other than menopause) when ovulation and menstruation stop in a woman.