Which is a sign of reproductive maturity a) the strengthening of muscles b) a larger body frame c) the start of menstruation d) the growth of body hair

C) the start of menstruation

Explanation:

The first menstruation marks the biological phase in which the woman reaches full maturity and is fully fit for reproduction. Usually, the first menstruation happens two years after the appearance of the breasts. Menstruation can be defined as the desquamation of the uterus endometrium. Menstruation marks the beginning of the menstrual cycle, which lasts an average of 28 days.

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