Pregnancy Calculator
Calculate pregnancy due date, gestational age, and pregnancy milestones from your last menstrual period.
Pregnancy Calculator
Calculate pregnancy due date, gestational age, and pregnancy milestones from your last menstrual period.
Input
Results
About This Calculator
Estimate due date and pregnancy timeline milestones from LMP or conception reference points.
Formula
Estimated due date from LMP or conception date using obstetric rules.
Example
Enter last menstrual period to map expected week-by-week milestones.
When to Use
- Prenatal timeline planning
- Appointment preparation
- Education and milestone tracking
Best Practices
- Confirm every input uses the same measurement system your source uses.
- Stress-test edge cases (zero, very small, very large) before trusting a plan.
- If a number feeds a contract, note the formula version you relied on.
FAQ
What should I double-check first in Pregnancy Calculator?
Units, time periods, and whether the output matches the question you meant to ask.
Can I use this for regulated or compliance work?
Only if your inputs and definitions are confirmed against applicable standards. Results are informational.
Important Note
Results are informational and should be independently verified for legal, medical, engineering, or financial use.
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