ArticleInternational journal of reproductive biomedicine2025
Association of normal-range fetal heart rate variations during labor with umbilical cord arterial blood gas parameters and neonatal outcomes: A cross-sectional study.
Article in International journal of reproductive biomedicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Fetal heart rate (FHR) monitoring is a routine, non-invasive method for assessing fetal well-being during labor. However, its low sensitivity and high false-positive rate often lead to unnecessary cesarean deliveries. While fetal scalp blood sampling offers a more accurate assessment of intrauterine hypoxia, it is invasive, technically challenging, and prone to failure. Objective: To evaluate the association between intrapartum FHR beat-to-beat variability (within the normal range) and umbilical cord arterial blood gas parameters, and to assess their predictive value for neonatal outcomes, such as Apgar scores and acidosis. Materials and Methods: This cross-sectional study reviewed medical records of all mothers who had delivered at Yas hospital, Tehran, Iran between August and December 2022. A total of 120 women with term, singleton pregnancies ( Results: 17 neonates (14.2%) had pH Conclusion: Even within normal limits, reduced FHR variability may signal fetal compromise. Monitoring variability trends could enhance intrapartum care and neonatal outcomes.
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