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How Many Weeks Pregnant Am I? – Pregnancy Calculator

This pregnancy calculator works out the due date of your baby. Simply enter the first day of your last menstrual period and click the Calculate button. Along with the due date, it also estimates the conception date and the gestational age (or how many weeks pregnant you are).

Note: The calculations provided are only estimates based on averages and should be treated as such. You should consult an obstetrician if you require a proper diagnosis.

Pregnancy Due Date Calculator – Input Your Details
How Many Weeks Pregnant & When Is Your Baby Due?
It is important to note that the calculations made by the above pregnancy calculator are only estimates based on averages. In fact, less than 10% babies are born on their estimated due date.

Want to know more on what’s happening at ? Read about in our Pregnancy Week By Week guide. From the emotional and physical differences you can expect, to advice on diet, health and wellbeing – you’ll find a wealth of information to help you through the different stages of your pregnancy journey.