Previous empirical evidence on the liquidity effect to the lockup expiration is mixed. A sample from Chinese listed firms is adopted and contributes to better u
目的 探讨剖宫产术与阴道助产术在足月妊娠临产胎儿窘迫中的应用价值。方法选取220例足月妊娠临产胎儿窘迫症的患者为研究对象,随机分为观察组120例(行剖宫产术)和对照组100例(行阴道助产术),分析两组胎儿窘迫的原因,观察两组新生儿分娩结局和两组产妇胎儿窘迫时宫口开大情况。结果两组胎儿窘迫的原因包括母体、胎盘、脐带及新生儿,组间比较差异均无统计学意义( P>0.05);两组新生儿窒息率、10 min