Too much estrogen can lead to an abnormal growth of cells. This is called endometrial intraepithelial neoplasia (EIN). EIN cells can grow into uterine cancer. It is treated with hormonal therapy or surgery. Tests may also be done to see if cancer has started.
Endometrial cancer. The American College of Obstetricians and Gynecologists website. Available at: https://www.acog.org/Patients/FAQs/Endometrial-Cancer. Updated February 2019. Accessed February 26, 2020.
Endometrial cancer. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/gynecology-and-obstetrics/gynecologic-tumors/endometrial-cancer. Updated February 2019. Accessed February 26, 2020.
Renaud MC, Le T, et al. Epidemiology and investigations for suspected endometrial cancer. J Obstet Gynaecol Can 2018 Sep;40(9):e703.
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