What Is a Healthy Range for Endometrial Thickness?

A healthy range for endometrial thickness is approximately 1 to 16 millimeters for premenopausal women, depending on the menstrual cycle stage, according to the International Asherman's Association. In postmenopausal women, a thick endometrial, or uterine, lining can be a sign of uterine cancer, states WebMD.

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