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| Risk factors of vaginal delivery of women with scarred uterus and its effect on pregnancy outcomes |
| Xinglin Branch Hospital of the First Hospital Affiliated to Xiamen University, Fujian Province, 361022 |
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Abstract To explore the risk factors of vaginal delivery of women with scarred uterus, and to analyze its effect on pregnancy outcomes. Methods: The clinical data of 300 pregnant women with scarred uterus who wanted vaginal delivery from January 2017 to January 2019 were collected retrospectively. And they were divided into group A (women with vaginal delivery successfully) and group B (women with turned to cesarean section). Logistic regression analysis was used to analyze the affect factors of vaginal delivery of women with scarred uterus. The pregnancy outcomes of women in both groups were observed. Results: 225 women (75.0%) had vaginal delivery successfully. The rate of postpartum hemorrhage, postpartum fever, and postpartum hospital stay of women in group A were 1.3%, 0.4%, and 3.0±0.5d, respectively, which were significant lower than those of women in group B (P<0.05). The prenatal BMI ≥ 30kg/m2, no history of vaginal delivery, premature rupture of membranes at admission, less than 3 years from the last cesarean section, the prenatal evaluated fetal weight ≥ 3500g, uterine scar thickness < 2 mm, and emotional stress of pregnant women were the main risk factors affected success vaginal delivery of women with scar pregnancy. Conclusion: It is feasible to success vaginal delivery of women with scarred uterus, which can reduce postpartum haemorrhage and infection, and can shorten hospital stay. The women with high weight during pregnancy, no history of vaginal delivery, premature rupture of the fetal membrane at admission, short time from the last cesarean section, excessive fetal weight, and the uterine scar thin have lower success rate of vaginal delivery, and mood of pregnant women also has some influence on delivery mode.
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