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Pregnancy Due Date Calculator
Enter your last menstrual period to see your estimated due date and key dates.
Pregnancy Due Date Calculator
Estimated due dateCurrently 10 weeks 0 days
| Milestone | Date |
|---|---|
| End of first trimester (13w6d) | Thu, 10 December 2026 |
| Anatomy scan window (18–20w) | Fri, 8 January 2027 – Fri, 22 January 2027 |
| Third trimester begins (28w) | Fri, 19 March 2027 |
| Full term (39w) | Fri, 4 June 2027 |
| Due date (40w) | Fri, 11 June 2027 |
Naegele’s rule (LMP + 280 days) adjusted for cycle length. Only about 4–5% of babies arrive on the due date; an early ultrasound dating scan is more accurate.
For trained professionals as an arithmetic aid only — not medical advice. Always verify doses and rates against your institution’s protocols and the product label. Disclaimer
Important
For healthcare professionals and students: arithmetic aid only — verify against local protocols and product information. Not medical advice.
Frequently asked questions
Is my data uploaded?
No. The calculation runs entirely in your browser — nothing you type is sent to a server.
Is it free?
Yes — free, unlimited and no sign-up.