Twin Pregnancy Calculator
Find Out Your Due Date!

One of the first things you want to know once you find out you're expecting TWO babies is their due date. This cool twin pregnancy calculator tool will give you a good estimation of your twins' due date (based on a 40 week pregnancy).

It's always fun finding out when your babies might make their appearance, so give it a try!

It's pretty easy to use...Simply enter the correct information into the box then hit the "Calculate" button. You can always use your best guess if you're unsure about exact dates.

Please note that the estimated due date given above is based on twins born at 40 weeks. Keep in mind that many twin births occur before the 38th week and most doctors consider twins full term at 38 weeks. Also, your personal doctor or other healthcare provider will be able to give you the most accurate due date. Most doctors will perform an ultrasound at your first visit and once they get fetal measurements along with your own input they can give you a due date that's right on target.

› Twin Pregnancy Calculator

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