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October 3, 1977

Estrogen Treatment of Postmenopausal WomenBenefits and Risks

Author Affiliations

From the Cecil H. and Ida Green Center for Reproductive Biology Sciences and the Department of Obstetrics and Gynecology, The University of Texas Southwestern Medical School, Dallas.

JAMA. 1977;238(14):1524-1530. doi:10.1001/jama.1977.03280150094037

Estrogen treatment of postmenopausal women is effective in relieving the symptoms of vasomotor instability and urogenital atrophy; estrogen treatment is effective in preventing accelerated bone loss and osteoporosis in young women following castration, but in postmenopausal women aging is a more important determinant of accelerated bone loss than is decreased estrogen secretion. Low-dose estrogen treatment of postmenopausal women neither prevents nor increases the risk of arteriosclerotic cardiovascular disease or cerebral vascular disease. It cannot be definitively established that estrogen treatment of postmenopausal women causes an increased incidence of breast tumors, but it is clear that such treatment does not prevent these tumors. It is established that estrogen treatment of postmenopausal women increases the risk ratio of endometrial carcinoma.

(JAMA 238:1524-1530, 1977)