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A member asked:

What causes irregular menstrual periods in young girls?

A doctor has provided 1 answer

Depends on age: It may take up to 18 months after the first period for menstruation to become regular. In order for a girl or woman to have a period, a complex series of hormone signals has to take place. It can take the body time to get all of those signals "in sync, " so it may be many months before the period becomes regular.

Dr Ferguson and another doctor agreed

Answered 9/25/2016

5.9k views

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