Value of Transvaginal Ultrasonography versus Bishop Score in Predicting Successful Induction of Labor | ||
| The Egyptian Journal of Hospital Medicine | ||
| Article 28, Volume 101, Issue 1, October 2025, Pages 4779-4786 PDF (446.96 K) | ||
| DOI: 10.21608/ejhm.2025.456826 | ||
| Abstract | ||
| Background: Since the supravaginal region makes up over 50% of the cervical length (CL) and cannot be measured digitally, transvaginal ultrasonography (TVU) measurements may provide a more precise evaluation of the cervix than digital exams. Furthermore, it might be challenging to assess effacement in the closed cervix since it is subjective and varies greatly across examiners. Objective: This study aimed to determine if the CL, posterior cervical angle, and cervical funneling measurements obtained by ultrasound are reliable indicators of a successful labor induction and to confirm the accuracy of the recently developed objective rating systems for cervical favorability. Patient and methods: This prospective comparative trial involved 50 women who were induced into labor between 1/6/2023 to 1/1/2025. Patients from Outpatient Clinic, Obstetric & Gynecology Department, Menoufia University Hospital were chosen for the study. Results: The success rate of induction was 78.0%, while 22.0% was failed due to fetal distress and failure to progress. The sensitivity, specificity and accuracy of Bishop score (6 hours) were 88%, 91% and 90% respectively while They were 99%, 98% and 99% in the new scoring ultrasound system respectively. The sensitivity, specificity and accuracy of Bishop score (12 hours) were 80%, 84% and 81% respectively while they were 90%, 87% and 88% in the new scoring ultrasound system respectively. Conclusion: A novel ultrasound scoring method that is more objective in its assessment helped improve the prognosis of the outcome of labor. Compared to Bishop's score, TVS evaluation of the cervix was a more accurate indicator of the effectiveness of induction of labor. | ||
| Keywords | ||
| TVU; Successful induction; Bishop score; Labor | ||
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