Daughter's Armpit Hair
Understanding Armpit Hair Development in 10 Year Old Girls

Learn why your 10-year-old daughter may have armpit hair and when to consult a pediatrician about puberty.

Puberty & Pubic Hair
Is Pubic Hair Development Normal for a 10-Year-Old Boy?

Learn about the normal onset of puberty in boys, including pubic hair development at age 10.