Determining emergency cesarean risk factors in placenta previa cases: a Prospective Cohort Study


Objective. The aim of the current study was to determine the emergency cesarean section risk factors for patient with placenta previa.
Materials and Methods. A total of 98 placenta previa cases were enrolled the current prospective cohort study between November 2018 – June 2019. The time, number and frequency of vaginal bleeding episodes, emergency cesarean section requirement, presence of adhesive pathologies was recorded.
Results. The mean cervical length was 35.7 (±8.3) mm. Patients with presence of vaginal bleeding before the 28th week (OR = 11 (95% CI 1.85–65.07); p < 0.001); participants who had two or more bleeding occurrences (OR = 7.39 (95% CI 1.83–29.80); p = 0.001); patients with cervical length measurements < 30 mm (OR = 2.91 (95% CI 0.64–13.14); p = 0.039) had higher risk of emergency cesarean section. Emergency cesarean section rate was 12%. No relation was shown between the emergency cesarean section and invasion pathologies in cases with placenta previa (p = 0.241).
Conclusions. The risk of emergency cesarean section is high in patients who had a vaginal bleeding before the 28th gestational week, had two or more bleeding episodes throughout their pregnancy and patients with cervical length was less than 30 mm.

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