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Updated: Jul 9, 2026
04:08
Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes
Published on: June 27, 2025
Deficient lower-segment Cesarean section scars: prevalence and risk factors
D Ofili-Yebovi1, J Ben-Nagi, E Sawyer
1Early Pregnancy and Gynaecology Assessment Unit, King's College Hospital, London, UK.
Summary
Deficient Cesarean section scars are common in women with prior C-sections. Multiple C-sections and a retroflexed uterus increase the risk of these uterine scar defects.
Area of Science:
- Reproductive Medicine
- Medical Imaging
- Gynecologic Surgery
Background:
- Cesarean section is a common surgical procedure.
- Uterine scar integrity after Cesarean delivery is crucial for reproductive health.
- Sonographic evaluation of Cesarean scars can identify potential complications.
Purpose of the Study:
- To characterize sonographic findings of transverse lower-segment Cesarean section scars.
- To identify factors associated with Cesarean scar deficiency in non-pregnant women.
Main Methods:
- Transvaginal ultrasound was used to examine uterine Cesarean scars in premenopausal women.
- Demographic, clinical, and ultrasound data were analyzed.
- Scar deficiency was defined as myometrial thinning at the scar site.
Main Results:
- Cesarean scars were detected in 99.1% of women with a history of Cesarean section.
- 19.4% of women exhibited evidence of deficient Cesarean scars.
- Multiple Cesarean sections, uterine retroflexion, and inability to visualize all scars were associated with deficiency.
Conclusions:
- Deficient uterine Cesarean scars are a frequent finding.
- Risk factors for scar deficiency include multiple Cesarean sections and uterine retroflexion.
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