• Pingying Jiang, Yongzhu Huang, Kaiyi Mao, Yongxu Lin, Dan Li, Fenglin Chen, and Na Lin.
• Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, China.
• Ann. Med. 2023 Jan 1; 55 (2): 22953962295396.

BackgroundThe effect of hepatitis B virus (HBV) replication during pregnancy on the outcomes of pregnancies remains to be elucidated.ObjectivesThis study aimed to investigate the association between HBV replication and adverse maternal and infant outcomes.MethodsWe retrospectively analysed the clinical data of 836 pregnant inpatients with hepatitis B surface antigen positivity who delivered at two provincial tertiary grade A hospitals in the Fujian province between June 2016 and October 2020.ResultsThe incidence of intrahepatic cholestasis of pregnancy, hypertensive syndrome complicating pregnancy, gestational diabetes mellitus, preterm birth, macrosomia, growth restriction, and vaginal infections did not differ in the HBV replication and non-replication groups (p > 0.05); however, the rates of caesarean section (p = 0.017; OR, 1.423; 95% CI, 1.065-1.902) and neonatal jaundice (p < 0.001; OR, 2.361; 95% CI, 1.498-3.721) were higher in the replication group than that in the non-replication group. After using propensity score analysis to adjust for alanine transaminase and aspartate aminotransferase levels in both groups, the replication group was still found to have an increased risk for caesarean section (p < 0.001; OR, 2.367; 95% CI, 1.668-3.359) and their infants had higher rates of neonatal jaundice (p < 0.001; OR, 12.605; 95% CI, 4.456-35.656).ConclusionsOur findings contribute to a better understanding of the association between maternal HBV replication status and perinatal outcomes. Pregnant women with HBV replication face an increased risk of caesarean section, and their infants appear to have a higher risk for neonatal jaundice.

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