DrObsCalc

DrObsCalc is a clinical gestational age calculator built for real clinical practice. Establish gestation instantly from last menstrual period (LMP), estimated date of delivery (EDD), or known gestational age (GA) on a known date. The calculator adapts automatically, with no manual mode switching required. Designed for obstetricians by an obstetrician, DrObsCalc supports fast, accurate workflow at the point of care. Key Features: • Intelligent input logic for LMP, EDD, or GA-based entry • Automatic recalculation across related values • Fast 6- or 8-digit numeric date entry • Automatic regional date format recognition • Clear trimester and milestone overview Clinical Milestones Pro (One-Time Purchase): • Additional clinical window presets • Create and customise your own clinical window presets • Custom Appointment Planning Weeks • More tailored follow-up planning DrObsCalc performs date calculations and clinical planning support only. It does not provide diagnostic or treatment recommendations.