Question

the period during which a girl sexually matures is called
puberty
childhood
menstrual cycle
teens

Explanation:

Puberty is the period of sexual maturation. Childhood is a general growth phase before sexual maturation. The menstrual cycle is a part of female reproductive function during puberty, not the maturation period itself. "Teens" is an age range that often includes puberty but isn't the term for the maturation process.

Answer:

A. puberty