Antenatal Risk Assessment Tool

Emergency C-Section
Risk Calculator

Based on the CHILD Cohort Study scoring system
(Tun et al., PLOS ONE 2022 · AUC 0.74–0.77)
For use in low-risk, singleton, cephalic, term pregnancies without prior CS · Intended to support, not replace, clinical judgment
Patient Parameters
Maternal Age
Maternal Height
Pre-pregnancy BMI
→ BMI: —
Clinical Factors
Hypertensive Disorder of Pregnancy
Gestational hypertension, pre-eclampsia, eclampsia, HELLP
Antenatal Depression (CES-D Score)
CES-D ≥ 10 indicates significant depressive symptoms
—
Previous Vaginal Delivery
History of at least one prior vaginal birth (strongest protective factor)
Complete all fields above to see the risk score.
⚠️ Clinical Disclaimer: This tool is derived from the CHILD Cohort Study (Canada, 2009–2012) and applies only to singleton, cephalic, term (≥37 wks) pregnancies without prior CS, placenta previa, or breech. It is validated as a rule-out tool (high specificity, lower sensitivity). Always integrate with full clinical assessment. Not a substitute for professional judgment.