prepubescent phase

Prepubescence is the developmental stage immediately before puberty, typically occurring between ages 7 and 11 for girls and 9 and 13 for boys, though these ages can vary. During this phase, the body begins to show the initial signs of sexual maturation, but most changes are yet to occur.123

In girls, prepubescent changes include the enlargement of ovaries and the initial development of breasts, marked by the appearance of a small breast bud. Their hips may begin to round due to fat deposits. In boys, the testicles and scrotum enlarge, and the penis begins to grow. While some downy hair may be present, true pubic hair has not yet developed. These are considered changes in primary sexual characteristics, as the reproductive organs themselves are developing.3