Pregnancy Due Date Calculator

If you suspect that you are pregnancy, you should make an appointment with your ob/gyn or midwife to confirm your pregnancy. Prenatal health care is important. Although each pregnancy is different, your health care provider can provide you with an estimated due date for your baby's birth. You can also use our handy Pregnancy Due Date Calculator — just for fun!

Last Menstrual Period:        
                              (MM/DD/YYYY format)

Average Length of Cycles:      (22 to 45 days)
                              (defaults to 28)

Average Luteal Phase Length:   (9 to 16 days past ovulation)
                              (defaults to 14)



Estimated Conception:         
Estimated Due Date:           
Estimated Fetal Age: