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Beginning as early as age eight in girls-and two years later, on average, in boys--the hypothalamus (part of the brain) signals hormonal change that stimulates the pituitary.

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13y ago
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1mo ago

The average age of menstruation, known as menarche, for girls is around 12 years old. However, it can occur anywhere between 9 and 15 years old and can be influenced by factors such as genetics, nutrition, and overall health.

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Q: What is the average age of menstruation of girls?
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Related questions

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

It is 12.


What is the average age girls menstruate?

The average age would be thirteen however menstruation is different for every female.


What is the minimum age of menstrual cycle?

The first menstruation can be as young as 9. In the US the average age for girls to start menstruating is 12.


Which age below is closest to the current average of menstruation for girls in the US?

The average age is 12 and 13 but everyone is different. Girls can get it at 9-15 or earlier or even later but if don't get it by age 15 or16 you should go to the doctor and have a check up he/she will tell you if your OK


At what age do girls ovulate for the first time?

The average age for a girl to have her first period is 12.8 years. The moment of the first menstruation is however dependent on a lot of factors an may vary from age 10 to 14 .


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

18


What term during puberty describes the beginning of the menstrual function?

Well, the menstruation starts at the age of 12-13 in girls. The term for onset of menstruation is menarche .


When does menstruation usually end?

Yes. When a woman goes through menopause, her menstruation will end. The average age for menopause is in the early 50's.


Who has menstruation girls or boys?

Girls


The beginning of menstruation for girls is called?

Menstruation


Is it normal to have menstruation at the age of 13?

it's perfect! u know mostly girls get at the age of 12 or 13.if u are having it's alright!


What is a period for girls do?

When girls get their periods, this is the starting of egg releases. This means that if a girl is to have intercourse while the egg has been released, the girl will become pregnant. The average age of menstruation is 12, but I started at 11 1/2 so it really depends on your family history. Signs of menstruation is pubic hair growth, vaginal discharge, bipolar mood swings, breast development, and more.