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A Study to Identify the Safest Uterine Incision Site for Cesarean Delivery

Optimal Uterine Incision Site for Cesarean Delivery: A Clinical Evaluation - Optimal Uterine Incision Site for Cesarean Delivery (OUIS-CD Study)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1050250156
Enrollment
158
Registered
2025-12-03
Start date
2025-12-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Participants scheduled for cesarean section Cesarean Section

Interventions

Participants will be randomly assigned to either the Low-incision group (L group) or the High-incision group (H group). After exposing the vesicouterine peritoneal reflection during cesarean delivery,
D002585
Cesarean Section

Sponsors

Katsura Daisuke
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Age 18 years or older at the time of enrollment Scheduled to undergo cesarean delivery

Exclusion criteria

Exclusion criteria: Women with multiple pregnancies History of two or more previous cesarean deliveries Presence of uterine malformations Any other condition deemed inappropriate for participation by the attending physician

Design outcomes

Primary

MeasureTime frame
Residual Myometrial Thickness (RMT)

Secondary

MeasureTime frame
The depth and length of the cesarean scar defect (CSD), the rate of severe CSD formation (defined as a healing ratio RMT/AMT < 0.5), intraoperative findings (operative time, blood loss, and the thickness of the uterine wall on the corporal and cervical sides of the hysterotomy), and maternal background characteristics (maternal age at delivery, parity, gravidity, history of previous cesarean delivery, height, maternal weight at delivery, BMI, elective versus emergency cesarean section, gestational age at cesarean delivery, cervical dilatation at the time of surgery, neonatal birthweight, and presence or absence of menstruation at 6-8 months postpartum).

Contacts

Public ContactDaisuke Katsura

Shiga University of Medical Science Hospital

hqgyne@belle.shiga-med.ac.jp+81-775482267

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026