This study was designed to assess endometrial histology in postmenopausal women not taking hormone replacement therapy, to evaluate side effects and efficacy of phytoestrogens in treating menopause-associated symptoms, and to determine whether 6 months of phytoestrogen supplementation altered endometrial histology.
Department of Obstetrics, Gynecology, and Reproductive Sciences, Magee-Womens Hospital, University of Pittsburgh, Pennsylvania 15213, USA. rsijlb@mail.magee.edu