Interactive Pregnancy Calculator
HealthEstimate due date based on LMP, conception, or IVF transfer.
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How to Use Pregnancy Calculator
Enter the first day of your last menstrual period (LMP) or your estimated conception date. The calculator determines your estimated due date, current week of pregnancy, trimester, and key milestone dates. All medical calculations use the standard Naegele's rule (adding 280 days to LMP).
Enter your parameters
Configure the inputs for the Pregnancy Calculator according to your specific needs.
View real-time results
The utility instantly processes your request and displays the calculated outputs directly in your browser.
Copy or Download
Click the copy icon next to the final output to instantly grab the result, or export it if applicable.