Also, infants born to mothers who are infected during or shortly before pregnancy are at risk for severe complications, miscarriages or stillbirths.

同样，母亲在怀孕期间或孕前不久曾被感染，其婴儿将面临严重并发症、流产或死产的危险。

Considerable heterogeneity in risk factors between antepartum and intrapartum stillbirths is evident.

非常明显,产前和产时死胎的危险因素存在相当大的不一致性.

To examine disparities in risk factors for stillbirths and its occurrence in the antepartum ersus intrapartum periods.

本研究是为了考察产前和产时死胎发生的危险因素的差异。