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12.5 years old.

According to a study published in 2003.

Wiki "Menarche" for further details.

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12y ago
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2w ago

The average age of menarche (first period) for girls in America is around 12.5 years old, although this can vary depending on genetic, environmental, and nutritional factors.

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Q: Average age of menarche in America?
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Related questions

In the US the average age of menarche is?

12


What is the average age for menarche in a girl?

The average age for menarche for girls is under 13 years of age. However, individually speaking that can vary depending on several factors including weight.


The average age at menarche or a girl's first menstruation is old?

18


The average age of menarche or a girls first menstruation is old?

It is 12.


What age do females usually get their period?

The first period is known as menarche, the average age of menarche is 13 years old. Anything between 10 years old and 16 years old is considered normal too.


What is the average age girls can become pregnant?

Girls can become pregnant as soon as they start puberty, which usually occurs between the ages of 10 and 14. However, the average age for girls to become pregnant varies depending on factors such as access to education, healthcare, and contraception.


What is menarche?

Menarche is the first occurrence of menstruation in a person assigned female at birth. It marks the onset of puberty and reproductive maturity. A person usually experiences menarche around the ages of 10-15.


When will you get your peried?

I assume that you mean your period, and the first period which is known as menarche. The average age of menarche is 13 years old, but anything from 10 years old to 16 years old is considered within the normal range. Everyone is different so will reach menarche at a different age, but if you don't reach menarche by 16 years old it's a good idea to talk to your doctor to make sure everything is okay.


Is it true when you hit puberty you're the same age as your mom was?

The age when a woman's mother had her menarche (first period) is indicative of when she will have her menarche, but it is not exact.


How do you start your period if you are 14?

Your period will start naturally when it is due to start, there's nothing that you can do to make your period start before it is due. The average age of menarche is 13 so at 14 you're not far off reaching menarche.


Do you get your period when you are 10?

It is possible to get your period when you are 10 years old, but not everyone will. The average age of menarche (first period) is 13 years old, anything between 10-16 is considered a normal range - everyone is different so will reach menarche at a different age and develop differently.


When does a girl that has breasts get her period?

Breast growth has nothing to do with when you'll reach menarche. Everyone develops differently and at different times, all having breasts says is that you're going through puberty. Menarche typically occurs within four years of starting puberty and the average age of menarche is 13 years.