Menarche refers to

A) monthly ovulation.
B) enlargement of the breasts.
C) an increase in the sexual drive.
D) the first episode of menstrual bleeding.
E) the end of the menstrual cycle.

Menarche

Establishment of menstrual function; the time of the first menstrual period or flow.

Menstrual Bleeding

The monthly shedding of the lining of the uterus (endometrium) when pregnancy does not occur, resulting in bleeding from the vagina.

Sexual Drive

The overall sex drive or desire for sexual activity, influenced by biological, psychological, and social factors.