Objective: To investigate factors associated with pregnancy outcomes among women presenting with rupture of membranes at Tra Vinh Obstetrics and Pediatrics Hospital.
Subject and method: A retrospective cross-sectional study was conducted on 160 pregnant women admitted with confirmed rupture of membranes at gestational age ≥32 weeks, who delivered at the Obstetrics Department between June 2021 and June 2023. Data were extracted from medical records and analyzed using SPSS, applying descriptive statistics, Chi–square tests, and bivariate logistic regression, with statistical significance set at p < 0,05.
Results: The mean maternal age was 26.63 ± 5.35 years, with 62.5% aged 25–34. Primigravidas accounted for 65%, and the mean gestational age at admission was 37.75 ± 1.8 weeks; preterm pregnancies represented 22.5%. The rates of chorioamnionitis and neonatal sepsis were 5.6% and 6.9%, respectively. Genital infection history and time from rupture of membranes to hospital admission ≥180 minutes were not significantly associated with chorioamnionitis (p > 0.05). Rupture of membranes lasting >24 hours was significantly associated with neonatal sepsis (OR = 8.40; 95% CI: 1.63–43.24; p < 0.05). Maternal BMI <18.5 was strongly associated with low birthweight <2500 g (OR = 12.24; 95% CI: 4.76–31.46; p < 0.001).
Conclusion: Prolonged rupture of membranes (>24 hours) and low maternal BMI (<18.5) are key factors linked to adverse outcomes such as neonatal sepsis and low birthweight. Early identification of membrane rupture, timely management, and improving maternal nutritional status before and during pregnancy may help reduce these risks.