Tanner stages track five milestone physical changes during puberty for both boys and girls. Early puberty in females starts before age 8, and before age 9 in males. Delayed puberty is when girls don't ...

More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done.

Responding to a study indicating that puberty can begin as early as age 6, some doctors are re-examining definitions and guidelines for treating girls who previously were considered precocious in ...

Esi’s* earliest memories of puberty do not involve training bras, colorful Always pads, or flipping through the pages of the Care & Keeping of You American Girl book. Instead, they are filled with ...