Developmental Stages: Infancy to Adolescents Practice Test 2026 - Free Developmental Stages Practice Questions and Study Guide

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Spermarche refers to which developmental milestone?

First menstruation in girls.

Onset of puberty in girls.

First ejaculation in girls.

First ejaculation in boys, typically around 12-14.

Spermarche is the moment when a boy first experiences ejaculation, signaling the start of reproductive capability. This milestone reflects the onset of sperm production (spermatogenesis) in the testes, driven by the hormonal changes of puberty. It typically occurs around ages 12 to 14, though there is natural variation.

This is distinct from menarche, which is the first menstruation in girls, and from a general statement about puberty in girls. It also isn't about an event that would occur in girls. The landmark described here specifically marks male reproductive maturation, aligning with the first ejaculation in boys.