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What causes a woman's period to be shorter?

1 doctor weighed in
Dr. Heidi Fowler
Psychiatry

In brief: Lighter period

The main reason for light periods is a change in hormone levels.
Causes for what seems to be a light period can include: implantation bleeding in early pregnancy, thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives & perimenopause.

In brief: Lighter period

The main reason for light periods is a change in hormone levels.
Causes for what seems to be a light period can include: implantation bleeding in early pregnancy, thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives & perimenopause.
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