雌激素是否致癌正在争论中:前几年一系列研究提出,为减轻绝经期症状而服用雌激素制剂的妇女,子宫内膜癌的发病率高7～8倍。最近,耶鲁大学医学院的 Horwitz 和 Feiostein 说,由于这些研究设计有偏性,这一结论是不可靠的。并不是雌激素增加了癌的发生,只是由于服用雌激素常引起 Whether estrogen is carcinogenic is debating: A few years ago a series of studies suggested that women taking estrogen to reduce menopausal symptoms had a 7 to 8-fold higher incidence of endometrial cancer. Recently, Horwitz and Feiostein at Yale School of Medicine said the conclusion is unreliable because of the biased design of these studies. Estrogen does not increase the incidence of cancer, but often caused by taking estrogen