HomePregnancy CalculatorThe Pregnancy Calculator The Pregnancy Calculator Free Pregnancy Calculator | Due Date, Conception Date Calculation Pregnancy Calculator Date of Last Menstrual Period: Date Month Year Due Date, Conception Date Calculation Results: Estimated Fertility Dates : to Estimated Conception Date : First Trimester Ends(12 Weeks) : Second Trimester Ends(27 Weeks): Estimated Due Date(40 Weeks) : Copy Results Newer Older