Medically reviewed by Cordelia Nwankwo, MD Key Takeaways Breast development usually starts about two years before the first ...

Most females have their first period around 2 years after breast development and other signs of puberty begin. For some, the first period may be light and start gradually with some spotting or brown ...

Puberty often begins at around 11 years old, although anywhere between about 8 and 14 is considered within the typical range. One of the hallmarks of puberty is getting a first period or beginning ...

A first menstrual cycle usually occurs between the ages of 10 and 16 with the average age of a first period being 12.4 years old. That’s a pretty wide range, so how do you know when your kid needs ...

Your period comes at the same time every month -- except when it doesn't and you're not pregnant. Millions of women wonder why it doesn't always run like clockwork, and when to see a doctor. Truth is, ...

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