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Pregnancy Due Date Calculator
Not Sure When Your Baby Is Due?
Our handy calculator will help predict your most likely due date.
Select the first day of your last menstrual period?
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Here are your results:
Your estimated due date is
You are currently
pregnant.
Your first trimester ends on
Your second trimester ends on
How the due date calculated:
Pregnancy usually lasts 280 days (40 weeks) from the first day of the woman's last menstrual period. This calculator is a general guide: every pregnancy is unique, and sometimes babies arrive sooner or later than expected. Always talk to your health care provider about your due date.
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© 2008 March of Dimes Foundation. All rights reserved. The March of Dimes is a not-for-profit organization recognized as tax-exempt under Internal Revenue Code section 501(c)(3). Our mission is to improve the health of babies by preventing birth defects, premature birth, and infant mortality.