Question 1

Purpose of the Procedure

Accepted Answer

To evaluate the integrity of the uterine wall at the site of the previous incision. To assess the feasibility of a Trial of Labor After Cesarean (TOLAC). To detect thin lower uterine segments to prevent uterine rupture.

Question 2

Who Should Get This Scan?

Accepted Answer

Pregnant women with one or more previous cesarean deliveries. Candidates planning for a Vaginal Birth After Cesarean (VBAC). Women experiencing localized pain at the previous scar site during pregnancy.

Question 3

Clinical Timing

Accepted Answer

Typically performed between 36 and 38 weeks of gestation. May be requested earlier if clinical symptoms of scar dehiscence appear. Essential for formulating a safe delivery plan for high-risk pregnancies.

VBAC Safety Scar Assessment - Lower Uterine Segment (LUS) Scar Morphometry