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Choose official formula, antenatal estimate, or admission estimate

Official VBAC Antenatal Estimate Admission / Complete Estimate

Maternal Age

Height

Pre-pregnancy Weight

Prior Birth History

Prior Vaginal Birth Prior VBAC

Reason for Prior Cesarean

Chronic Hypertension

Chronic hypertension treated with medication

No Yes

September 24, 2026

Originally written by Medicalic.

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Written byMedicalicUpdatedSep 24, 2026

VBAC Calculator (Vaginal Birth After Cesarean)