Pregnancy Calculator September 19, 2021 by Amir Amir Free Pregnancy Calculator | Due Date, Conception Date Calculation Pregnancy Calculator Date of Last Menstrual Period: Date 12345678910111213141516171819202122232425262728293031 Month123456789101112 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) :