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  • Title: Sonographic cervical length as a predictor of type of delivery after induced labor.
    Author: Gómez-Laencina AM, García CP, Asensio LV, Ponce JA, Martínez MS, Martínez-Vizcaíno V.
    Journal: Arch Gynecol Obstet; 2012 Jun; 285(6):1523-8. PubMed ID: 22198844.
    Abstract:
    PURPOSE: This study was undertaken to evaluate the comparative value of sonographic cervical length and the Bishop score in predicting the type of delivery after induced labor. METHODS: The Bishop score was determined by digital examination and cervical length by transvaginal sonography in 177 women. RESULTS: The best cut-off points for predicting type of delivery found with ROC curves were 25.2 mm for cervical length and 5 for the Bishop score. The Bishop score was not predictive of type of delivery. Cervical length was related to type of delivery in women with Bishop score ≤5. A logistic regression model showed that only cervical length ≥25.2 mm, parity, and body mass index significantly predicted the likelihood of cesarean delivery. CONCLUSIONS: Our study suggests that both Bishop score and sonographic cervical length can contribute to predicting type of delivery after labor induction, but cervical length is a better predictor of the risk of cesarean delivery.
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