DrObsCalc

Designed by an obstetrician. Stop spinning the pregnancy wheel. New in v1.5: Clinical Milestones Pro adds custom Appointment Planning Weeks for follow-up planning.

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.