Lots of girls worry that their first period will never happen, but it almost always does. The first period usually arrives about 2 years after a girl starts developing breasts.
See the doctor if you are 14 and have seen no breast development or other signs of puberty. Also see the doctor if you're 16 and have had some body changes, but still haven't had your first period.
Reviewed by: KidsHealth Medical Experts
Date Reviewed: Oct 2, 2023
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