Pregnancy calculator
Pregnancy due date calculator
Cycle Length：
The first day of your last period： Month Day Year
Calculation results：
The due date calculated by this pregnancy calculator is not the exact date of delivery, but only the expected date of delivery of the pregnant woman. The calculation formula is: if the month of the last menstrual period is greater than 3, then subtract 3 from the month and add 22 to the date. If the month of the last menstrual period is less than 3, then add 9 to the month and add 22 to the date.