nulliparous，英语单词，主要用作形容词，作形容词时译为“未生育过的”。

nulliparous cow 未产母牛

nulliparous uterus 未产式子宫

Methods We conducted a multicenter, randomized, double-blind trial involving nulliparous women who were at low risk for preeclampsia.方法我们进行了一项多中心、随机、双盲试验，纳入先兆子痫危险低的未经产妇女。

Methods 60 cases of full-term nulliparous women that delivery in our hospital were randomly divided into the experimental group (30 cases) and the control group (30 cases).方法选取在我院分娩的单胎足月初产妇60例，随机分为实验组和对照组各30例。

Objective: to investigate the application of cephalic presentation score in predicting the mode of Labour in nulliparous women with term singleton fetus with cephalic presentation.目的：探讨头位分娩评分法在单胎足月头位初产妇分娩方式预测中的应用。