Taking hormonal contraceptives, being older at the time you give birth, and breastfeeding all reduce the risk of developing this type of cancer.

如服用激素类避孕药、生育时年龄较大，以及母乳喂养都能降低患这种癌症的风险。

Hormonal contraceptives, including the pill, the patch, the Depo shot, and the vaginal ring all release synthetic versions of various combinations of progesterone and estrogen.

荷尔蒙避孕药，包括避孕药、避孕贴、Depo 注射剂和阴道环，都会释放各种黄体酮和雌激素组合的合成版本。