Pregnancy Due Date Calculator
Estimate your due date based on your last menstrual period. The standard calculation adds 280 days (40 weeks) to the first day of your LMP. Note: this provides an estimate. Only 5% of babies arrive on their due date.
Estimate your due date based on your last menstrual period. The standard calculation adds 280 days (40 weeks) to the first day of your LMP. Note: this provides an estimate. Only 5% of babies arrive on their due date.