9 doctors weighed in:

What is the average age to start your period?

9 doctors weighed in
5 doctors agree

In brief: 12 y

But it also varies, some girls start at age 10y and some as late as.
14y.

In brief: 12 y

But it also varies, some girls start at age 10y and some as late as.
14y.
Dr. Marina Armendariz
Dr. Marina Armendariz
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1 comment
Dr. Helena Bentley
The onset of menses seems to be younger and younger these days. The usual rule thumb is +/- 2 years of mother's onset.
Chethan Sarabu
Pediatrics
4 doctors agree

In brief: 12-13 years

The average age in the United States to have your first period (menarche) is 12.
5 years. There is natural variation within the country and across the globe but the average age ranges from 12-14 years. The first signs of puberty are breast development and pubic hair. Finally, menarche is the culmination of a series of events dealing with the maturation of the endocrine system.

In brief: 12-13 years

The average age in the United States to have your first period (menarche) is 12.
5 years. There is natural variation within the country and across the globe but the average age ranges from 12-14 years. The first signs of puberty are breast development and pubic hair. Finally, menarche is the culmination of a series of events dealing with the maturation of the endocrine system.
Chethan Sarabu
Chethan Sarabu
Answer assisted by Chethan Sarabu, Medical Student
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