Question

the onset of menstruation , a human female , us also known as ​

Answer 1

Answer:

Menarche is the onset of menstruation. The average age for menarche in the United States is now 12.8 years. Menarche is preceded by puberty-induced body changes that occur between ages 9 and 16 years.

Answer 2

onset of menstruation of a human female is called MENARCHE