Due Date Calculator

Enter the first day of your last period and find out your estimated due date, how many weeks pregnant you are, and what is happening with your baby's development right now. Our calculator gives you a week by week summary so you know what to expect at every stage of your pregnancy.

If you have any comments or would like additional tools, please leave a comment at the bottom of this page.

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Due Date Calculator
Welcome to the Due Date Calculator. Tell me the first day of your last period and I will work out your estimated due date and tell you what is happening at your current stage of pregnancy.
This tool is for general information only and does not constitute medical advice. Always consult a qualified healthcare professional for medical concerns.
Any names and personal details are entirely optional. You do not need to disclose any personal information to use this tool. If the tool produces a draft for you, you can fill in any specific details afterwards.
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