Due Date Calculator
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Quick Reference
Pregnancy length:
280 days (40 weeks) from LMP
280 days (40 weeks) from LMP
Trimesters:
1st: Weeks 1-12
2nd: Weeks 13-27
3rd: Weeks 28-40
1st: Weeks 1-12
2nd: Weeks 13-27
3rd: Weeks 28-40
Full-term:
37-42 weeks
37-42 weeks
Note:
These are estimates. Always consult your healthcare provider.
These are estimates. Always consult your healthcare provider.