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Periods are about a month, or every 28 days. It really depends on the person.

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13y ago
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14y ago

Menstruation can begin anywhere between the ages of 9 and 18. The average age is around 13 or 14

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13y ago

Periods are the result of the body producing hormones and this is when you enter puberty. Most girls begin about age 11-18 and it is these same hormones that give you body hair and breasts.

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12y ago

it different for everyone some start around about 9 some start later i started when i was 11 no worries life you got to live with it

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13y ago

Generally around age 11-18 when the body begins to produce the hormones that are needed.

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Q: Why do periods start?
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