3 doctors weighed in:
What is average age now for menarche?
3 doctors weighed in

Dr. Luis Gonzalez
Obstetrics & Gynecology
2 doctors agree
In brief: Dropping
The age at which a girl has the first period depend in several factors.
Proper thyroid function and a certain ratio of body fat are necessary. With the increase in calories in modern society, this age is ever younger. In the U.S. , for african american girls closer to 8.5 years old . For other ethnic groups it's closer to 9.

In brief: Dropping
The age at which a girl has the first period depend in several factors.
Proper thyroid function and a certain ratio of body fat are necessary. With the increase in calories in modern society, this age is ever younger. In the U.S. , for african american girls closer to 8.5 years old . For other ethnic groups it's closer to 9.
Dr. Luis Gonzalez
Dr. Luis Gonzalez
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