Abstract
Objective: To evaluate the effectiveness of cervical length in predicting prepartum bleeding and emergency caesarean section in cases of complete placenta previa Materials and Methods: Between June 2009 and August 2011, cervical length was measured by transvaginal ultrasound in women with complete placenta previa persisting into the third trimester of pregnancy and correlated this to clinical outcome with regards to, emergency cesarean section due to massive hemorrhage Results: Overall, 65 women were included in the study group. The mean gestational age at ultrasound was 31.7 ± 2.9 weeks and the cervical length was 35.9 ±7.8 mm. Cesarean delivery was performed in all cases, at a mean gestational age of 34.5 ± 2.6 weeks. 26 (40 %) women presented prepartum bleeding and 12 (18,4 %) required an emergency cesarean section prior to 34 completed weeks due to massive haemorrhage. Cervical length was significantly shorter among patients who underwent emergency caesarean section <34 weeks due to massive hemorrhage compared with patients who underwent elective caesarean section (29.4 ± 5.7 mm , 36.1 ± 6.5 mm; p = 0.005). Conclusion: Transvaginal sonographic cervical length predicts the risk of emergency cesarean section <34 weeks in women with complete placenta previa.
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