• Qiong Liu, Sinan Shu, Xiuping Zhao, and Huiling Yu.
• Department of Obstetrics and Gynecology, The First Clinical Medical College of Three Gorges University, Yichang Central People's Hospital, Yichang, Hubei, China.
• Brit J Hosp Med. 2025 Jan 24; 86 (1): 1121-12.

AbstractAims/Background Gestational diabetes mellitus (GDM) is a common complication during pregnancy. This retrospective study investigates the correlation between umbilical blood flow index and maternal-fetal outcomes in pregnant women with GDM, aiming to contribute to evidence-based risk assessment and management strategy in this high-risk obstetric population. Methods This retrospective study recruited 119 pregnant women with GDM who were admitted to the Yichang Central People's Hospital, between January 2022 and January 2024. Based on the umbilical blood flow index, the study participants were divided into a normal umbilical blood flow (UBF) index group (n = 56) and a high UBF index group (n = 63). Colour Doppler ultrasound was used to assess umbilical blood flow, and relevant data on maternal, fetal, and neonatal outcomes were obtained from the hospital's electronic medical records. Results We observed that, compared to the normal UBF index group, the high UBF index group exhibited significantly higher rates of adverse pregnancy outcomes, including the cesarean section (p = 0.022), preterm delivery (p = 0.020), gestational hypertension (p = 0.019), neonatal hypoglycemia (p = 0.015), as well as increased incidence of neonatal complications such as respiratory distress syndrome (p = 0.009), neonatal jaundice (p = 0.022), neonatal intensive care unit (NICU) admission (p = 0.015), lower 5-minute Apgar scores (p = 0.013), and neonatal sepsis (p = 0.005). Furthermore, significant differences were observed in fetal biometric parameters and placental morphology between the two groups (fetal weight: p = 0.003; estimated fetal weight percentile: p = 0.017; femur length: p = 0.018; placental weight: p = 0.019; placental volume: p = 0.021). Additionally, correlation analyses indicated significant associations between umbilical blood flow index and maternal and fetal outcomes (p < 0.05). Conclusion We observed a significant correlation between umbilical blood flow indices and maternal and fetal outcomes in pregnant women with gestational diabetes mellitus, implying its utility as a non-invasive parameter for risk stratification and personalized management in this high-risk obstetric population.

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