What is the normal range for endometrial thickness?


Quick Answer

Normal values for endometrial thickness range from 2 to 16 millimeters, depending on the stage of the menstrual cycle. These values also depend on whether the women is pre- or post-menopausal and whether she uses hormonal therapy.

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What is the normal range for endometrial thickness?
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Full Answer

In pre-menopausal women, normal values for endometrial thickness are 2 to 4 millimeters during menstruation, 5 to 7 millimeters during the early proliferative phase, up to 11 millimeters during the late proliferative phase and up to 16 millimeters during the secretory phase. Normal values for post-menopausal women who are no't using hormonal therapy are lower than 5 millimeters. For patients undergoing hormone therapy, values up to 16 millimeters are considered normal. The endometrial thickness is an essential parameter in determining the risk of carcinoma in post-menopausal women.

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