singleton pregnancy

Conclusion Caesarean section for first live birth is associated with a47% increased risk of placenta praevia and40% increased risk of placental abruption in second pregnancy with a singleton.

结论：首次分娩采用剖宫产女性在第二次怀孕（单胎）发生前置胎盘风险为47%，发生胎盘早剥风险为40%。

This test is best for singleton pregnancy and multiply pregnancy might affect the result.

这项测试对单胎妊娠最佳，多胎妊娠有可能会影响结果。

The Clinical Analysis of 357 Cases of Entanglement in Singleton Pregnancy with Head Birth

单胎头位脐带缠绕357例分析

Methods: To analyse the CST score and abnormal types of fetal heart rate patterns in 1 146 cases of singleton term pregnancy with head delivery.

方法：分析1146例足月、单胎、头位分娩的产妇产程中CST评分和异常胎儿监护图形。