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This test measures the amount of follicle-stimulating hormone (FSH) in a blood sample. This hormone is made by the pituitary gland.
The amounts of FSH and other hormones are measured to:
Up to 4 weeks before the test, you may be asked to stop taking birth control pills or other medicines that contain estrogen or progesterone.
A health professional uses a needle to take a blood sample, usually from an arm.
For a woman who is having problems with her menstrual cycle or who cannot become pregnant, more than one blood sample may be needed to help identify a follicle-stimulating hormone (FSH) problem. A sample may be taken each day for several days in a row.
The test will take a few minutes.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.
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Current as of: June 16, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
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