Planned Vaginal Breech Delivery Risk Assessment (Term Breech Trial)

Assess risk of planned vaginal breech delivery vs cesarean using Term Breech Trial criteria and subsequent PREMODA study data. Identifies candidates for vaginal breech birth at experienced centers: frank breech, adequate pelvis, no hyperextension, experienced operator.

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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 It Works

Assess risk of planned vaginal breech delivery vs cesarean using Term Breech Trial criteria and subsequent PREMODA study data. Identifies candidates for vaginal breech birth at experienced centers: frank breech, adequate pelvis, no hyperextension, experienced operator

Each component has a specific meaning:

  • Term Breech Trial criteria — The term breech trial criteria recorded for the scenario being assessed.
  • Subsequent PREMODA study data — The subsequent premoda study data recorded for the scenario being assessed.

Note: Interpret the vaginal breech delivery risk result against the thresholds and context described above.

How to Use

Enter the Term Breech Trial criteria, subsequent PREMODA study data for the scenario you are assessing. Assess risk of planned vaginal breech delivery vs cesarean using Term Breech Trial criteria and subsequent PREMODA study data. Identifies candidates for vaginal breech birth at experienced centers: frank breech, adequate pelvis, no hyperextension, experienced operator. Use the vaginal breech delivery risk result to inform your calculation.

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Frequently Asked Questions