Accuracy of Different Scoring Systems for Predicting Successful Induction of Labor

Accuracy of Different Scoring Systems for Predicting Successful Induction of Labor: a Cross-sectional Study

Induction of labour (IOL) nowadays is a common procedure in obstetric practice. Presently, IOL is done for 20% of pregnancies for various maternal and fetal indications and nearly 20% of labour inductions end up in caesarean deliveries. The success of IOL mainly depends upon "favourability" of the cervix which is usually assessed by manual examination and Scored as Bishop Score. However, this method is limited by subjectivity and reproducibility and though done in all the patients prior to IOL, several studies have demonstrated poor correlation between Bishop Score and outcome of IOL

Study Overview

• Status: Completed
• Conditions: Induction of Labor Affected Fetus / Newborn
• Intervention / Treatment: Procedure: Manipal ultrasound scoring system; Procedure: Levine scoring system

• Study Type: Observational
• Enrollment (Actual): 400

Contacts and Locations

Study Locations

• Egypt
  • Cairo
    • Assiut, Cairo, Egypt, 002
      • Ahmed Abbas

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Child; Adult; Older Adult
• Accepts Healthy Volunteers: N/A
• Genders Eligible for Study: Female

• Sampling Method: Probability Sample

Study Population

pregnant women who will attend the labor unit for induction

Description

Inclusion Criteria:

1. Singleton pregnancy.
2. Pregnant ≥ 37 weeks gestation.
3. Fetus with longitudinal lie and vertex presentation.
4. Intact membranes.
5. No vaginal bleeding.

Exclusion Criteria:

1. Patients with previous cesarean delivery.
2. Previous uterine surgery.
3. Antepartum hemorrhage.
4. Cephalopelvic disproportion.
5. Category II or III non-stress test.
6. Malpresentation.
7. Intrauterine fetal death.
8. Fetal growth restriction.
9. Fetuses with major congenital malformations

Study Plan

How is the study designed?

Number of groups / cohorts

1

Cohorts and Interventions

Group / Cohort

Intervention / Treatment

study group; All pregnant women who will attend the labor unit for induction of labour due to different indications during the study period will be invited to participate in the study.

Procedure: Manipal ultrasound scoring system; length of the cervix from the internal to external os, presence or absence of funneling and if present width and length of funneling at internal os were measured. Distance between presenting part to external os will be measured and position of the cervix i.e. whether curved or straight will also noted.; Procedure: Levine scoring system; maternal height, parity, body-mass index (BMI) at delivery and the results of modified Bishop's score in calculation of probability of CS

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
The rate of successful induction of labor	an ability to achieve the active phase of labor corresponding to a cervical dilatation of ≥4 cm within 12 h of initiating oxytocin on the first day of induction	24 hours

Collaborators and Investigators

• Sponsor: Assiut University

Study record dates

Study Major Dates

• Study Start (Actual): December 1, 2020
• Primary Completion (Actual): May 31, 2022
• Study Completion (Actual): July 15, 2022

Study Registration Dates

• First Submitted: March 26, 2020
• First Submitted That Met QC Criteria: March 26, 2020
• First Posted (Actual): March 27, 2020

Study Record Updates

• Last Update Posted (Actual): August 25, 2022
• Last Update Submitted That Met QC Criteria: August 24, 2022
• Last Verified: August 1, 2022

More Information

Terms related to this study

• Other Study ID Numbers: IOLSC

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No