Curious about your child's due date?

In that case you have come to the right site! Our researchers have analyzed data from 1.7 million pregnancies and identified personal factors that affect the pregnancy length. Our advanced due date calculators take these factors into account and determine your child’s most likely date of birth.

For 9 out of 10, the estimated date of birth provided by maternity care or standard due date calculators is not the day when it is most likely that the baby will be born.

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Our Early Forecast

For you who have not yet had an ultrasound examination. This forecast is based on the last menstrual period and takes the mother's personal factors into account.


Our Best Forecast

For you who have had an ultrasound examination. The only scientific prediction model on the market that takes individual factors of both the mother and the child into account.



One for all...

Pregnant women and infants in the UK can enjoy one of the safest healthcare systems in the world. Pregspect want all pregnant women around the world to be safe and receive good maternal care, which is why we donate 10 p per purchased forecast to UNHCR’s work to improve maternal healthcare.

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About Pregspect

Three curious parents and researchers from Uppsala University realized that it must be possible to make scientific and more personalised birth predictions – and it was!

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Curious and critical questions are at the heart of science. Here we have gathered questions and answers about our prediction models, our service and other things that may be of interest.

Questions and answers


Thanks to Pregspect’s forecast, I was mentally prepared to pass my due date. Many of my friends found every day after passing their due date to be long and tedious, but I didn’t feel that way.