| Background With the development of perinatal medicine and ultrasound diagnostic techniques, the detection rate of oligohydramnios, a condition in pregnancy characterized by a deficiency of amniotic fluid, has been significantly improved. The rate of adverse pregnancy outcomes can be increased due to oligohydramnios, which will do great harm to both the mother and the child. Therefore, oligohydramnios is drawing more and more attention of the public.Objective The purpose of this essay is to investigate the effects of oligohydramnios in the full-term pregnancy on the outcome of the perinatal and the mode of delivery. And the effects of different levels of oligohydramnios, which is divided according to the amniotic fluid index (AFI), on the full-term pregnancy outcomes, as well as how to seek the best way to delivery through the prenatal comprehensive assessment of the pregnant women with oligohydramnios in full-term pregnancy, is to be further explored in this essay, thus, to increase the vaginal delivery rate and meanwhile decrease the rate of cesarean section.Method120pregnant women hospitalized for delivery in the Obstetrics Department of Xinxiang MCH Hospital during the period from January,2011to January,2013are selected as the study group, of whom the AFI≤8cm. The study group is divided into two different groups according to their AFI, namely Group A-Oligohydramnios, of whom the AFI≤5cm and Group B-Borderline oligohydramnios, of whom the AFI>5cm, but≤8cm. Synchronously, pregnant women with normal amniotic fluid are randomly selected as the control group. The clinical observation of the study object mainly includes gestational age, mode of delivery, fetal heart rate monitoring, cervical ripening, meconium-stained amniotic fluid, neonatal asphyxia and so on. Pregnancy outcomes of the study group, Group A and the control group, Group B are to be compared.Result1There was no statistical difference between the study group and the control group, as well as between Group A and Group B, in terms of gestational age, puerpera’s age, the times of pregnancy, placental calcification, umbilical cord abnormalities and vaginal dystocia(P>0.05).2There was statistically significant difference in the rate abnormal FHR monitoring and the rate of meconium-stained amniotic fluid between the study group and the control group, as well as between Group A and Group B (P<0.01). The rate abnormal FHR monitoring is50.83%, and the rate of meconium-stained amniotic fluid30.00%in the study group, while in the control group, the former rate15.83%and the latter15.00%. In group A, The rate abnormal FHR monitoring is65.38%, and the rate of meconium-stained amniotic fluid46.15%, while in group B,39.71%and17.65%.3Both the study group and the control group differ statistically in the newborn asphyxia rate and the delivery mode(P<0.05). In the study group, the rate of newborn asphyxia is18.33%and the rate of virginal delivery35.00%while in the control group, the rates are7.50%for newborn asphyxia and67.50%for virginal delivery. Group A and Group B differ statistically in the newborn asphyxia rate and the delivery mode(P<0.01). In group A, the rate of newborn asphyxia is28.85%and the rate of virginal delivery is7.69%. In group B, the rate of newborn asphyxia is10.29%and the rate of virginal delivery is55.88%. Conclusion Oligohydramnios in different degrees has different effects on the outcome of pregnancy. For the parturients with AFI≤5cm, the rate of adverse pregnancy outcome can be reduced effectively with cesarean section. The parturients with AFI between5.1-8.0cm (oligohydramnios) can be delivered via vaginal trial production under close monitoring. And the rate of vaginal trail production is high while the rate of adverse pregnancy outcomes is low. |
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