Melissa is 15 years old. All of her friends have become notably "adolescent" in appearance. They have pubic hair and underarm hair and have experienced the "adolescent growth spurt." Melissa has no pubic or underarm hair, and still looks much more like a young girl than an adolescent. The most likely culprit for Melissa's plight is a malfunction of the

Question

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The ovaries are responsible for producing estrogen, a hormone that is critical for the development of secondary sexual characteristics, such as pubic and underarm hair, breast development, and the growth spurt. A malfunction of the ovaries could result in delayed or incomplete puberty, which seems to be the case for Melissa.

Melissa Is 15 Years Old