nulliparous造句怎么写

2、Methods We conducted a multicenter, randomized, double-blind trial involving nulliparous women who were at low risk for preeclampsia.

4、Early menarche, late menopause, or late 1st pregnancy increases risk. Women who have a 1st pregnancy after age 30 are at higher risk than those who are nulliparous.

6、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).

3、Researchers conducted a telephone survey to examine the prevalence of and risk factors for PTSD Among 1581 nulliparous pregnant women.

1、Among nulliparous women, those with histories of abuse or difficult miscarriage or abortion had the highest risk for PTSD.

5、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.