What are the limitations of the VBAC clinical calculator?

The MFMU VBAC calculator is based on live singleton, term pregnancies with a history of 1 prior cesarean. It shouldn't be applied to patients with multiples, preterm deliveries, more than one hysterotomy, or ante/intrapartum stillbirths.

All patients with a prior low transverse C-section should be counseled about Trial of Labor After Cesarean (TOLAC), ideally in the office setting during prenatal visits and again around the time of delivery. This comprehensive discussion should review the risks/benefits of a scheduled repeat C-secti...