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Pregnancy Due Date Calculator

Calculate your estimated delivery date using Naegele's rule, plus your current pregnancy week, trimester, and key milestones.

Your details

Adjusts ovulation estimate. Average is 28 days.

Your estimated dates
Estimated due date
Thu, Jun 17, 2027
37 weeks, 6 days to go
2w 1d
Current week
First trimester
Trimester
15
Days pregnant
Thu
Conception ≈
First trimester. Critical development phase — focus on folic acid, avoid alcohol/tobacco.
Key pregnancy milestones
6
First heartbeat detectable
12
End of first trimester — NT scan
18
Anatomy scan ultrasound
24
Viability milestone
28
Start of third trimester — glucose test
36
Considered full-term approaching
40
Estimated due date
Naegele's rule
Due date = LMP + 280 days (adjusted for cycle length).

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