estradiol, Alora, Climara, Delestrogen, Depo-Estradiol, Divigel, Elestrin, Estrace, and Others

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GENERIC NAME: estradiol

BRAND NAME: Alora, Climara, Delestrogen, Depo-Estradiol, Divigel, Elestrin, Estrace, Estrasorb, Estrogel, Evamist, Femring, Menostar, Minivelle, Vivelle, Vivelle-Dot

DRUG CLASS AND MECHANISM: Estrogen is one of the major female hormones, the other one being progesterone. Estrogens occur in nature in several chemical forms. In women with active menstrual cycles, the ovaries produce between 70 and 500 micrograms of estradiol daily. This is converted to estrone and to a lesser extent estriol. After menopause, estrone made in the adrenal glands, is the most active circulating estrogen. Estrogens cause growth and development of female sex organs and maintain sex characteristics, including underarm and pubic hair and the shape of body contours and skeleton. Estrogens also increase secretions from the cervix and growth of the inner lining of the uterus (endometrium). Estrogens reduce LDL-cholesterol ("bad" cholesterol) and increase HDL-cholesterol ("good" cholesterol) concentrations in the blood. Estrogens, when taken alone or in combination with a progestin (progesterone), have been shown to reduce the risk for hip fracture due to osteoporosis by 25%.

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Medically Reviewed by a Doctor on 12/10/2014



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