Pregnancy Calculator Pregnancy Calculator Calculate Based On: Last Period Conception Date Due Date First Day of Last Menstrual Period * Average Length of Cycles From first day of your period to the first day of your next period. Ranges from: 22 to 44. Default = 28 Optional: Leave 28 if unsure. Your Due Date * Your Conception Date * This is not a diagnosis. The calculations that are provided are estimates based on averages. Check Other Useful Calculators Ovulation Calculator Protein Intake Calculator BMI Calculator Water Intake Calculator Carbohydrate Calculator Body Fat Calculator Maintenance Calorie Calculator
