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 ...

Menstruation is a result of puberty. This is when your body becomes capable of reproduction. When your menstrual cycle begins, your estrogen levels increase. That causes the lining of your uterus to ...

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 ...

Periods were once an absolutely dreaded monthly reminder of having a uterus (which makes sense if you were in the Victorian era and had to wear a sanitary belt along with the corset, petticoats, and ...

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 ...

There is unexpectedly large variation in height growth in girls after their first period. Every second girl grows either more or less in length than the 6-8 centimeters that is considered standard.