Due Date Calculator

Figuring out your estimated due date is simple. Add 7 days to the first day of your last normal menstrual period. Then count backwards 3 months. That's it!

Here's an example - let's say your last menstrual period started on June 14. Add 7 days to June 14 and it equals June 21. Then count backwards three months and March 21 becomes your estimated due date.

Or, use our calculator below. Fill in the fields in the top 2 rows, hit "Calculate!" and the information in the bottom 3 rows will be automatically generated.

NOTE: Most doctors and nurses will estimate your due date by starting from your last menstrual period. Therefore, when people refer to what "week" of pregnancy you are in, it is actually counting the two weeks before you get pregnant.
 

Please enter the first day of your last menstral cycle

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Howe family photo

Encouragement + An Assist = Success

Nine days past her due date, Sara Howe was awakened at 3:00AM when her water broke. Thrilled that the long wait was finally over, Sara and her husband David packed up and headed to PeaceHealth Southwest Medical Center. By 5:00AM they were comfortably settled into one of PeaceHealth Southwest’s Labor Delivery Recovery and Postpartum rooms, ready for action. But four hours later, Sara contractions had still not progressed so her midwife started her on Pitocin. Soon the contractions kicked in and Sara was well on her way.

At around eight o’clock the next morning, it was time for Sara to start pushing. So she pushed. And she pushed, and she pushed, and she pushed. "The first few hours of pushing went by without me realizing the time," remarked Sara. "But around the fourth hour I started to wonder if I was still making progress. That is when the encouragement of my midwife, husband and the PeaceHealth Southwest nursing staff kept me going. It was like I had my own cheering section."

Unfortunately, even with all the support and encouragement, Sara’s labor was not progressing because her baby’s head was tilted in the birth canal. Neither Sara or her midwife wanted her to have a Cesarean section after all that work, so her midwife suggested an assisted delivery. Read more >

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