Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman
Bayoumy, K., Yehia, A., Salman, M., Alkady, N. (2020). Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman. EKB Journal Management System, 10(1), 31-36. doi: 10.21608/ebwhj.2019.17770.1037
Karam Mohamed Bayoumy; Amr Helmy Yehia; Mohammed Mahmoud Salman; Nada Magdy Alkady. "Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman". EKB Journal Management System, 10, 1, 2020, 31-36. doi: 10.21608/ebwhj.2019.17770.1037
Bayoumy, K., Yehia, A., Salman, M., Alkady, N. (2020). 'Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman', EKB Journal Management System, 10(1), pp. 31-36. doi: 10.21608/ebwhj.2019.17770.1037
Bayoumy, K., Yehia, A., Salman, M., Alkady, N. Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman. EKB Journal Management System, 2020; 10(1): 31-36. doi: 10.21608/ebwhj.2019.17770.1037

Posterior cervical angle and cervical length in predicting the successful induction of labour in nulliparous woman

Evidence Based Women's Health Journal
Article 5, Volume 10, Issue 1, February 2020, Page 31-36  XML PDF (520.69 K)
Document Type: Original Article
DOI: 10.21608/ebwhj.2019.17770.1037
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Authors
Karam Mohamed Bayoumy1; Amr Helmy Yehia1; Mohammed Mahmoud Salman1; Nada Magdy Alkady email 2
1Department of Obstetrics and Gynecology, Faculty of Medicine, Ain-Shams University, Cairo, Egypt
2Obstetrics and gynecology department,Ain Shams University, cairo
Abstract
Objective:To assess the value of pre-induction sonographic assessment of the posterior cervical angle (PCA) and cervical length in the prediction of successful induction of labor (IOL).
Patients and Methods:The present prospective observational study included IOL candidates who had their PCA and cervical length assessed by transvaginal ultrasonography and the Bishop score at the Obstetrics and Gynecology Department, Ain-Shams Maternity Hospital, Cairo, Egypt, from 1st November 2018 to 31st May 2019. The accuracy of these tests in predicting successful IOL (defined as vaginal delivery) was compared.
Results: The analysis included 41 women with successful IOL and 29 women with unsuccessful IOL. The suggested cutoffs for the prediction of successful IOL were a PCA of more than 100°, a cervical length of less than 31 mm, and a Bishop score of more than four. The areas under the receiver operating characteristics curves for these three measures were not significantly different. However, a PCA of more than 100° had the best sensitivity (87.80%), specificity (86.21), positive predictive value (90%), negative predictive value (83.3%) compared with the other two predictors.
Conclusion: Posterior cervical angle had the best accuracy in predicting successful induction of labor compared with the cervical length and the Bishop score
Keywords
Cervical length; induction of labor; posterior cervical angle
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