Menstrual and Reproductive Factors, Exogenous Hormone Use, and Gastric Cancer Risk in a Cohort of Women From the European Prospective Investigation Into Cancer and Nutrition
The worldwide incidence of gastric adenocarcinoma (GC) is lower in women than in men. Furthermore, cancer patients treated with estrogens have been reported to have a lower subsequent risk of GC. The authors conducted a prospective analysis of menstrual and reproductive factors, exogenous hormone use, and GC in 335,216 women from the European Prospective Investigation Into Cancer and Nutrition, a