A: Since the hair is similar to peach fuzz, it's probably not pubic hair at all. More than likely it's something called vellus hair, which can appear anywhere on the body, although it's much more noticeable in areas you're not expecting see hair grow on such a young child. As long as the hair is not getting longer or darker and your baby has no other signs of early puberty, such as a sudden growth spurt, acne, developing breasts, vaginal discharge, or underarm hair or odor, then she's probably fine. But if this is truly pubic hair, your baby may have a condition called premature adrenarche, which can trigger the growth of underarm and pubic hair. The condition is the result of a sex hormone surge, which isn't serious, but should be monitored by a pediatrician. If your pediatrician is concerned, he may refer you to an endocrinologist who might run some blood tests to find out exactly what's going on.
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