Home / Clinician Tools / Ballard Score for Gestational Age

Ballard Score for Gestational Age - Scientific Formula

Pediatrics & Neonatology Equation

Standard Calibration Equation:

Gestational Age (weeks) = 20 + (Ballard Score + 10) * 0.4

Accuracy Bounds & Limits:

While mathematical calculators evaluate demographic models, extreme variance (hyperthyroidism, dialysis cases, muscular bodybuilders, pregnancy) can trigger output errors. Weight and clearance assessments must follow separate personalized titration grids.