Pregnancy Due Date Calculator
Calculate your estimated due date from LMP or conception date.
About this Calculator
Estimate your pregnancy due date using Naegele's Rule — the standard obstetric method used by healthcare providers worldwide. Enter your last menstrual period (LMP) date or known conception date, and this calculator returns your estimated due date (EDD), current week of pregnancy, and trimester. It also shows key milestone dates: end of first trimester (week 13), second trimester (week 27), and the 37-week full-term mark.
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