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为了探讨孕满 41w母婴危险因素的价值 ,选择正常妊娠 15 6 7例 ,分 3组应用 B超测定羊水指数、临产后监测胎儿宫内情况及对分娩方式的选择进行观察。结果 : 组 (足月妊娠组 )羊水过少 11.30 %、 组 (妊娠 41w组 )羊水过少 30 .98%、 组 (过期妊娠组 )羊水过少 5 4.2 3% ,而胎儿窘迫 组 1.98%、 组 13.19%、 组 2 4.5 8%。分娩方式也从孕满 41w以后阴道助产率和手术产率明显增加。羊水过少直接反应了胎儿胎盘功能低下 ,对孕满 41w的孕妇与过期妊娠孕妇一样存在着继发性胎盘功能低下 ,要加强临床监护 ,及时进行适当的医疗干预、适时终止妊娠 ,降低围产儿死亡率。
In order to explore the value of 41w maternal and child health risk factors, normal pregnancy 1567 cases were selected, divided into three groups using amniotic fluid index by B ultrasound, intrauterine fetal monitoring after labor and the choice of mode of delivery were observed. Results: In group (term pregnancy group), the oligohydramnios was 11.30%, the oligohydramnios in group (41 w of pregnancy) was less than 30.98%, the oligohydramnios in group (of overdue pregnancy) was 5 4.2 3%, while fetal distress was 1.98% Group 13.19%, Group 2 4.5 8%. The mode of delivery also significantly increased the rate of vaginal delivery and operative yield after 41 weeks of pregnancy. Too little oligohydramnios directly reflects the low placental function of pregnant women, pregnant women with gestational age 41w have the same secondary placental dysfunction as those with obstetric pregnancies. Clinical monitoring should be strengthened and appropriate medical interventions should be carried out in time to terminate pregnancy and reduce perinatal mortality rate.