The due date calculator will approximate the date of ovulation and the due date of your baby. Please keep in mind that this is simply an estimate; always consult your physician or your prenatal care professional to more accurately assess your due date.

Enter the first day of your last period. If you are unsure of the precise date, estimate it as closely as possible.

The due date calculator will approximate the date of ovulation and the due date of your baby. Please keep in mind that this is simply an estimate; always consult your physician or your prenatal care professional to more accurately assess your due date.

Enter the first day of your last period. If you are unsure of the precise date, estimate it as closely as possible.

First day of Last Period: / /


Due date / /
Probable date of ovulation / /
Beginning of second trimester / /
Beginning of third trimester / /