Twin Pregnancy
Due Date Calculator

Having Twins? This is an estimated pregnancy due date calculator, a fun way to discover the possible due date of your twin babies.

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Although twins are often born early they are just as often born between 38 and 40 weeks of pregnancy, which even at 38 weeks is full term. Some to-be-mothers can go over the 40 week mark.

Are you wondering if twins are on the cards for you? Read more about twin pregnancy symptoms and your chances of having twins.

If you are having a twin pregnancy then maybe you want to check out some twin baby bumps or read some pregnancy stories from other moms of twins. Here are a couple of interesting reads:

You can also add and share you stories too, My Twin Pregnancy Story

Twin Ultrasound

When using this calculator keep in mind that this is actually for a pregnancy that lasts up to 40 weeks. A twin pregnancy averages between 34 and 38 weeks.

Due Date Calculator
Calculate Now!

How to Use this Calculator

All you need to do is fill in the information to the best of your knowledge into the following fields:

Last Menstrual Period.

Average Length of Cycles, many women are between 28 and 31.

Average Luteal Phase Length, this is the part of the cycle that starts at ovulation and ends the day before your next menstruation, commonly lasts 14 days.So if you are unsure then just type in 14 days.

Once you have done this click the Calculate button, this will reveal your estimated conception, due date and fetal age.

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

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

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

Estimated Conception: Estimated Due Date: Estimated Fetal Age:

When carrying twins the arrival of your precious two is unpredictable so they could arrive much early than expected.

Read through the Early Labor Signs and Preterm Labor for a heads up on being prepared for the birth of your newborn twins.

More information on this site:

 | Twin Pregnancy Guide | Twins Ultrasound Images | Vanishing Twin Syndrome | Pregnancy Stretch Marks | Twin Pregnancy FAQ | Healthy Pregnancy Diet |

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