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| Influence factor analysis of genital tract group B streptococcus infection on maternal and infant outcomes during the third trimester of pregnancy |
| The First People's Hospital of Liangshan Prefecture, Sichuan Province, 615000 |
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Abstract To investigate the effect of genital tract group B streptococcus (GBS) infection on maternal and infant outcomes during the third trimester of pregnancy, and to analyze the risk factors of genital tract GBS infection. Methods: 312 pregnant women during the third trimester of pregnancy from October 2016 to October 2018 were selected retrospectively, and they were divided into group A (109 cases) and group B (203 cases) according to the status of genital tract GBS infection. The clinical data and pregnancy outcomes of women in the two groups were observed, and the risk factors of genital tract GBS infection were analyzed. Results: The incidences of premature delivery, cesarean section, premature rupture of membranes, intrauterine infection, puerperal infection, and postpartum hemorrhage, and the rates of neonatal pneumonia, asphyxia, intrauterine distress, pathological jaundice, and pediatric referral rate in group A were significant higher than those in group B (P＜0.05). Logistic regression analysis showed that age equal to or more than 35 years old (OR=1.253，P=0.023), history of vaginitis (OR=1.547，P=0.000), history of abortion (OR=2.315, P=0.009), low educational level (OR=1.103, P=0.011) were risk factors of genital GBS infection during the third trimester of pregnancy. Conclusion: Genital tract GBS infection during the third trimester of pregnancy can lead to adverse pregnancy outcomes. Advanced age, low education level, past vaginitis and abortion history of pregnant women are the main factors affecting genital tract GBS infection, so the detection of maternal pathogenic bacteria infection, and intervention or treatment should be strengthen.
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