Q:

When is my next period due?

A:

Quick Answer

A woman's period starts between 21 and 35 days from the first day of her last period, notes the Office on Women's Health. For teens, the cycle may be 21 to 45 days from the first day of their last period. The average menstrual cycle is 28 days.

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Full Answer

A woman's period is important for regulating hormones and plays a vital role in pregnancy. A period occurs when an egg is unfertilized. An unfertilized egg triggers the uterus to shed thickened lining that would have protected a fertilized egg during growth. The Office on Women's Health states that the average period lasts three to five days. Some women have week-long periods.

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Related Questions

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    How much blood does a girl lose during her period?

    A:

    Although a girl's or woman's menstrual flow can vary from light to heavy, the average amount of blood lost during a period is nearly 3 tablespoons, notes the University of North Carolina's Department of Obstetrics & Gynecology. However, many women can experience frequent heavy bleeding during their menstrual cycle, and this can lead to anemia. In some cases, abnormally heavy bleeding may be a symptom of an underlying condition.

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    What is the longest time between periods?

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    Why has my period lasted two weeks?

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    Why do I have cramping when I am not on my period?

    A:

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