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What Is the Normal Range for FSH?

According to the University of Michigan Health System, the normal range for FSH (follicle stimulating hormone) depends on your age and sex.

  1. Background

    • FSH stimulates the production of eggs and helps regulate menstruation in women and stimulates sperm production in men.

    Before Menopause

    • For women who are menstruating, the normal FSH range is 5 to 30 mIU/mL (million international units per milliliter). FSH levels depend on where a woman is in her menstrual cycle. FSH levels peak mid-cycle to stimulate ovulation (release of an egg).

    After Menopause

    • For women who are no longer menstruating, the normal range FSH is between 50 and 100 mIU/mL.

    Men

    • Normal FSH levels for men range from 5 to 20 mIU/mL.

    Considerations

    • According to the University of Michigan Health System, some medications or recent activity or diet can affect the FSH test result.

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