Question

define menarche and menopause

Answer 1

Menarche ----- Menarche is the first menstrual cycle, or first menstrual bleeding, in female humans. From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility. Menopause ---- natural decline in reproductive hormones when a woman reaches her 40s or 50s.

Answer 2

the onset of Mensuration in a young female at our the age of 13 year is termed as menarche permanent stoppage of menstruation at the age of about 45 years which termed as menopause