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12
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.
It is 12.
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.
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.
The average age of menarche is around 13 years old. Anything between 10-16 years old is considered within normal range, but girls can reach menarche far earlier or far later.
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.
The average age of menarche is 13 years old, with anything between 10-16 years old being normal range too. A girl who is 12 years old or younger may get her period.
The first menstrual cycle is marked by the womans for menstrual phase or period, this is known as menarche. Menarche on average occurs at the age of 13, but anything from 10-16 years old is normal.
A girl called Lisa started menstruating at 8 months, and had a son at 5 years of age.
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.