nulliparity

nulliparity

1. Inclusion criteria were nulliparity, lack of diabetes, singleton pregnancy, cephalic presentation, and cervical dilatation of less than 6 cm.

收纳条件包括未产妇、没有妊娠糖尿病、独生子、头位生产、且子宫颈扩张小于6公分。

2. Anovulatory cycles, obesity, estrogen-producing ovarian tumors, low parity or nulliparity, and exogenous estrogen therapy can all increase the risk for endometrial adenocarcinoma in this manner.

无排卵性月经周期、肥胖、分泌雌激素的卵巢肿瘤、未育、外源性雌激素治疗，都能增加子宫内膜腺癌发生的危险。