Gestational Age (GA) Estimator - Scientific Formula
Obstetrics & Gynecology Equation
Standard Calibration Equation:
GA (weeks) = Days since LMP / 7
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.