Question

Give an appropriate biological / technical term for the following:

The onset of menstruation in the young girl.

Answer 1

1. The disintegration of the endometrial lining of the uterus which discharges from the body in the form of blood flow is called menstruation.
2. Menarche: It is the initiation of menstruation in the female child at the attainment of puberty which is about 13 years.