Calculate Your Due Date
Pregnancy Facts
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Full term = 40 weeks from LMP (38 from conception)
๐ฑ Trimesters: 1โ13 ยท 14โ26 ยท 27โ40 weeks
๐ฃ Viable outside womb from week 24
๐ Start prenatal vitamins before conception if possible
๐ฉบ First prenatal visit: 8โ10 weeks
๐ฌ Anatomy scan (20-week): 18โ22 weeks
Only 4% of babies arrive exactly on due date
Your Estimated Due Date
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Due Date
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Trimester
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Weeks Pregnant
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Days Until Due
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Key Pregnancy Milestones
๐ This calculator provides estimates only. Your healthcare provider will confirm dates with an ultrasound. Due dates are estimates โ only about 4% of babies arrive on their exact due date.
This tool is for informational purposes only and does not constitute medical advice. Always consult your OB-GYN or midwife for personalized prenatal care guidance.
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Your due date will appear here
Enter your last period date or conception date and click Calculate.
Ovulation & Fertile Window
Your Fertile Windows
These are estimates based on average cycle patterns. Actual ovulation varies. For best results, combine with ovulation predictor kits (OPKs) or basal body temperature (BBT) tracking.
This calculator is not a contraceptive method. For family planning purposes, consult your healthcare provider.
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Your fertile window will appear here
Enter your last period date and click Calculate.