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Birth after previous cesarean delivery: short-term maternal outcomes
Mona T Lydon-Rochelle1, Alison G Cahill, Catherine Y Spong
1National Perinatal Epidemiology Centre, Department of Obstetrics and Gynecology, University of College, Cork, Cork, Ireland. M.LydonRochelle@ucc.ie
Seminars in Perinatology
|July 27, 2010
Summary
For women with a prior cesarean, a successful trial of labor after cesarean (TOLAC) offers benefits over repeat C-sections. However, TOLAC failure increases risks, highlighting the need for careful management and counseling.
Area of Science:
- Maternal Health
- Obstetrics
- Gynecology
Background:
- Repeat cesarean deliveries account for 40% of the 1.3 million C-sections annually in the US.
- Managing women with prior cesarean delivery presents challenges due to limited options.
- Quantifying risks and benefits of clinical management choices is crucial for maternal health.
Purpose of the Study:
- To review scientific data on maternal outcomes of trial of labor after cesarean (TOLAC) versus elective repeat cesarean delivery.
- To compare outcomes between TOLAC and elective repeat C-sections.
- To identify factors influencing outcomes and analyze successful vs. unsuccessful vaginal birth after cesarean (VBAC).
Main Methods:
- Review of published scientific data on maternal outcomes.
- Analysis of short-term outcomes for TOLAC and elective repeat cesarean delivery.
- Evaluation of factors influencing outcomes and VBAC success rates.
Main Results:
- Successful TOLAC is associated with fewer hysterectomies, thromboembolic events, blood transfusions, and shorter hospital stays compared to elective repeat C-sections.
- Failed TOLAC leading to emergency cesarean increases risks of uterine rupture, hysterectomy, operative injury, blood transfusion, endometritis, and prolonged hospitalization.
- Individualized counseling, accurate diagnosis, and careful management during TOLAC are key determinants of short-term outcomes.
Conclusions:
- A successful trial of labor after cesarean offers significant advantages over elective repeat cesarean delivery.
- Failure of trial of labor after cesarean is associated with increased maternal morbidity.
- Future research, including randomized controlled trials and longitudinal cohort studies, is recommended to further evaluate adverse outcomes in mothers and infants.
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