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  • Title: Perinatal outcomes in singleton pregnancies with a single umbilical artery.
    Author: Naveiro-Fuentes M, Carrillo-Badillo MP, Malde-Conde J, Gallo-Vallejo JL, Puertas-Prieto A.
    Journal: J Matern Fetal Neonatal Med; 2016; 29(10):1562-5. PubMed ID: 26115231.
    Abstract:
    OBJECTIVE: To analyze perinatal outcomes in singleton pregnancies with a single umbilical artery (SUA) as an isolated finding with no other underlying disorders. METHODS: This retrospective observational study compared a group of pregnancies with SUA (n = 127) and a group with a normal 3-vessel umbilical cord (n = 27 752). The study variables comprised maternal and obstetric characteristics and perinatal outcomes. RESULTS: The frequency of SUA was 0.45%. Pregnancies with SUA ended more frequently with cesarean delivery, and had a higher risk that the indication for cesarean delivery was non-reassuring fetal heart rate (NRFHR). Neonates in the SUA group had a lower weight for gestational age, and a higher risk of low umbilical cord blood pH. CONCLUSION: Obstetricians should monitor fetal growth closely in pregnancies with SUA, and be alert to NRFHR during labor and delivery.
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