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Obstetrics & Maternity Naegele's Clinical Formula & ACOG Guidelines

Pregnancy Due Date & Gestational Age Calculator

Calculate your Estimated Due Date (EDD), current gestational week, and key pregnancy milestones based on your last menstrual period (LMP).

Clinical Oversight: Dr. S. Lakshmi Prabha, MD (OG), DGO — Senior Consultant Obstetrician & Gynecologist

Enter Your Clinical Parameters

Select the first day your last normal cycle began
days
Standard cycle is 28 days (typical range 24โ€“35)

Clinical Assessment Result

Calculating...
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units

Enter your details and click calculate to view clinical interpretation.

Physician's Guidance

Evaluation guided by Maruti Hospital clinical guidelines.