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Objective: To determine risk factors associated with birth asphyxia in pregnancies.
Methods: A case control study was conducted by including 578 newborns delivered at Vajira Hospital between January 2018 and March 2020. Cases were 289 women who delivered the baby with Apgar score ≤ 7 at 1 minute, while the controls were 289 women who delivered the baby with Apgar score > 7 at 1 minute. The data was collected from medical records. Antepartum factors, intrapartum factors and newborn factors were analyzed with univariate analysis and binary logistic regression analysis.
Results: Factors significantly associated with birth asphyxia included breech presentation (OR 3.18, 95% CI 1.10-9.22), vacuum extraction (OR 10.06, 95% CI 2.00-50.45), cesarean section (OR 2.53, 95% CI 1.59-4.03), preterm delivery (OR 6.62, 95% CI 3.26-13.46) and birthweight < 2500 grams (OR 3.49, 95% CI 1.54-7.90).
Conclusion: The statistically significant risk factors associated with birth asphyxia were breech presentation, vacuum extraction, cesarean section, preterm delivery and birthweight < 2500 grams.
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