Thickening of the uterus lining, or endometrial hyperplasia, is usually caused by too much estrogen without progesterone, according to the American Congress of Obstetricians and Gynecologists. This hormonal imbalance occ... More »

www.reference.com Health Women's Health Reproductive Anatomy

In premenopausal women, the uterine wall, or endometrium, thickens as estrogen levels increase during the menstrual cycle, notes Dr. Martee Hensley for Everyday Health. Endometrial hyperplasia, a condition resulting from... More »

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Endometrial thickening is associated with obesity, long-term use of high-dose estrogen in women who have not had hysterectomies, irregular menstrual periods, and the use of medications that act like estrogen. Although en... More »

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Thickening of the lining of the uterus, called endometrial hyperplasia, may lead to cancer, but is not always a sign of cancer, according to the American Congress of Obstetricians and Gynecologists. Endometrial hyperplas... More »

Endometrial hyperplasia is an abnormal thickening of the lining of the uterus, according to the American Congress of Obstetricians and Gynecologists. The condition usually develops during menopause and perimenopause when... More »

Excess estrogen and low levels of progesterone cause uterine lining thickening, or endometrial hyperplasia, explains Healthgrades. Estrogen causes uterine wall thickening in preparation for pregnancy, while progesterone ... More »

www.reference.com Health Women's Health Reproductive Anatomy

The thickening of the endometrium during perimenopause is known as endometrial hyperplasia, notes the American Congress of Obstetricians and Gynecologists. Though the condition usually occurs after menopause, it can occu... More »