Evaluating labor outcomes in full-term pregnant women with a history of cesarean section

To Study the Effectiveness and Safety of the Trail of Labor in Full Term Pregnant Women With Cesarean Section After Spontaneous Labor: a Multi-center, Prospective, Observational Study

Observational The First Affiliated Hospital with Nanjing Medical University · NCT05215041

This study is testing if women who had a cesarean section can safely try for a vaginal delivery during their next full-term pregnancy and what the outcomes are.

Quick facts

Study typeObservational
Enrollment510 (estimated)
Ages20 Years to 40 Years
SexFemale
SponsorThe First Affiliated Hospital with Nanjing Medical University Academic / other
Locations1 site (Nanjing, Jiangsu)
Trial IDNCT05215041 on ClinicalTrials.gov

What this trial studies

This observational clinical trial aims to assess the effectiveness and safety of a trial of labor after cesarean (TOLAC) in full-term pregnant women. A total of 510 participants will be enrolled, with half having a prior cesarean section and willing to attempt vaginal delivery, while the other half will consist of women in spontaneous labor without contraindications. The study will track delivery outcomes and any complications for 42 days postpartum. Data will be collected using a custom registration form based on established clinical guidelines.

Who should consider this trial

Good fit: Ideal candidates are full-term pregnant women aged 20-40 with a singleton, cephalic presentation who are in spontaneous labor and have no contraindications to vaginal delivery.

Not a fit: Patients with known contraindications to vaginal delivery, multiple gestations, or severe complications may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the safety and effectiveness of TOLAC, potentially improving delivery options for women with a history of cesarean sections.

How similar studies have performed: Previous studies have shown varying success rates for TOLAC, indicating that this approach is both relevant and necessary for further exploration.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Volunteers sign the informed consent
2. Age: 20-40 years;
3. Singleton, a cephalic presentation;
4. No contradiction to vaginal delivery; 5.39\~42 weeks; 6.Spontaneous labor

Exclusion criteria:

1. Konwn contraindication to vaginal delivery or severe complications;
2. Multiple gestation;
3. Uterine malformation;
4. Severe psychiatric disorder;
5. Without family's support.

Where this trial is running

Nanjing, Jiangsu

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Trial of Labor After CesareanVaginal Birth After CesareanSpontaneous Labor
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.