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Abstract Objective: To explore the influence of uterine scar defects because of history cesarean section on the pregnancy outcomes of women. Methods: 180 pregnant women with uterine scar defect because of history cesarean section were selected in the observation group from March 2015 to March 2018, and other 120 first pregnancy women were enrolled into the control group during the same period. The pregnancy outcomes of women in both groups were analyzed. Results: The cesarean section rate of women in the observation group 60%,which was significant higher than that (40%) of women in the control group (P<0.05). In the observation group, the postpartum vaginal bleeding volume of women chosen cesarean section was 320.6±12.1ml, which was significant higher than that (181.1±6.6ml) of women chosen tried vaginal delivery, and neonatal Apgar score of women chosen cesarean section was 7.1±1.7 points, which was significant lower than that(9.0±2.0 points) of those women tried vaginal delivery (P<0.05). There was no significant different in success rate of vaginal delivery of women between the two groups (P>0.05). The postpartum bleeding volume(181.1±6.6ml), and hysterectomy rate (8.3%) of women in the observation group were significant higher than those ［(103.2±4.4ml) and 0.0%］of women in the control group (P<0.05). After cesarean section, the incidences of postpartum hemorrhage (13.9%), incision infection (16.7%), pelvic adhesion (14.8%), and hysterectomy (6.5%) of women in the observation group were significant higher than those of women in the control group (P<0.05). Conclusion: The pregnancy outcomes of pregnant women with uterine scar defects because of history cesarean section are equivalent to those of pregnant women without scar defect. The pregnant women should be encouraged to choose vaginal delivery if they meets the conditions of vaginal delivery, which plays positive roles for improving pregnancy outcomes and reducing complications incidence of cesarean section.
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