Question

What is the term for the beginning of the menstrual cycle?

Hint:

Menarche is the first menstrual period and signifies the beginning of the menstrual cycle.

Answer 1

Step 1: Definition of menarche.
Menarche is the term used to describe the first occurrence of menstruation in a female. It marks the beginning of the menstrual cycle and usually occurs between the ages of 12 and 14, although it can vary.
Step 2: Conclusion.
Therefore, the onset of the menstrual cycle is called menarche.