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HEALTH
Pregnancy Calculator
Estimate Pregnancy with transparent assumptions.
Choose what you knowUse a menstrual, conception, due-date, ultrasound, or IVF date.
5 optionsESTIMATED DUE DATEOctober 8, 2026
Based on the last menstrual period. Educational estimate only; not medical advice.
- Estimated due date
- October 8, 2026
- Estimated conception date
- January 15, 2026
- Estimated gestational start
- January 1, 2026
- Estimated second trimester
- April 9, 2026
- Estimated third trimester
- July 16, 2026
Formula checkedNaegele-style 280-day dating with cycle-length adjustment, plus conception, ultrasound, and IVF transfer methods.