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Ovarian Reserve

Download a Fact Sheet on Ovarian Reserve Testing from The American Society for Reproductive Medicine.

DAY 3 BLOODS

On day 3 (actually day 2-4 is okay) of your menstrual cycle, three hormone levels are tested.  These are FSH, LH, and Estradiol.  These hormones tell us how responsive the ovaries are and are a way of estimating your fertility potential or ovarian reserve.  Lower hormone levels are better with this test.

Day 1 of your menstrual cycle is the first day of full flow.  Full flow is what is normal for you.  If you spot, then bleed a few days, day 1 is the day you started to bleed and not the spotting.  However, if you have light bleeding/spotting, your day 1 is when the spotting started.

Antral Follicle Count

A transvaginal pelvic ultrasound is used to visualize the number of antral follicles (2-10mm in size) present in each ovary.  This count is another test to assess your fertility potential or ovarian reserve and responsiveness to ovarian stimulating drugs.  A low number is bad, with a count of 10 to 25 considered in the normal range by most authorities.

AMH

AMH is short for anti mullerian hormone, also known as mullerian inhibiting substance.  AMH is produced by small ovarian follicles, or preantral follicles, and is another way to measure ovarian reserve.  A low value is bad, middle range value is good, and a high value is found in women with PCOS (polycystic ovarian syndrome).

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