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Using the due date calculator

To find your due date, enter the date of the first day of your last period and click ‘Calculate my Due Date’ – the calculator will do the rest.

Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period.

Provided by YourDueDate.com

Frequently Asked Questions

1. How does the delivery due date calculator work?

Add 280 days (40 weeks) to the first day of your last menstrual period

2. How accurate is the due date calculator?

This date is just an estimate. Data suggests that only about 4% of babies are born on their due date. Although this tool can give you a roughly estimated date of when to expect your baby, we know all too well that baby.

3. How likely is it my baby will be born on their due date?

It is unlikely that the baby will be born on the exact due date calculated since only 4% of births occur on the estimated due date.

4 What should I do after calculating the due date?

It is always better to cross check with your healthcare provider about your estimated date of delivery. They may give you an accurate estimate based on a physical examination, including an ultrasound. Even otherwise, consult your obstetrician early in your pregnancy and follow the instructions given to you, to make the best of antenatal care package. Remember that your due date may change by a few days based on how your pregnancy is progressing.

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