Fetal Presentation and External Cephalic Version Success Score

Calculate the external cephalic version (ECV) success probability score. Factors: parity, engagement, amniotic fluid, placental location, and estimated fetal weight. Higher score predicts greater success for ECV at 36-37 weeks.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Calculate the external cephalic version (ECV) success probability score. Factors: parity, engagement, amniotic fluid, placental location, and estimated fetal weight. Higher score predicts greater success for ECV at 36-37 weeks. Use the ecv success score result to inform your calculation.

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Frequently Asked Questions