Pregnancy Due Date (EDD), Conception & Gestational Age Calculator
Advanced obstetrics and family planning tool. Supports multiple calculation methods (Naegele 280 days, Conception 266 days, or IVF).
Input Parameters
Instant Calculation Result
Adjust values on the left to calculate live results.
In-Depth Guide & Mathematical Methodology
👶 Pregnancy Trimester Milestones Reference
Full-Term Pregnancy: 37 to 42 Weeks (Average 40 Weeks / 280 Days from LMP).
Conception Offset: Conception typically occurs ~14 days after LMP.
IVF Day 5 Transfer: Adds 261 days to transfer date.
Frequently Asked Questions (FAQ)
What is the Pregnancy Due Date (EDD), Conception & Gestational Age Calculator and how does it work?
Advanced obstetrics and family planning tool. Supports multiple calculation methods (Naegele 280 days, Conception 266 days, or IVF).
How do I use this Pregnancy Due Date (EDD), Conception & Gestational Age Calculator?
Select Calculation Method (Last Menstrual Period LMP, Conception Date, or IVF Day 5 Transfer). Enter Base Event Year. Enter Base Event Month (1 to 12). Enter Base Event Day (1 to 31). View Estimated Due Date (EDD Year), Gestational Weeks, and Trimester.
What mathematical formula is used in this calculation?
LMP Method = +280 days. Conception Method = +266 days. IVF Day 5 Method = +261 days.
Is the Pregnancy Due Date (EDD), Conception & Gestational Age Calculator on FindCalculator free to use?
Yes, all 330+ interactive tools on FindCalculator.online are 100% free, run directly in your browser without registration, and do not store your private calculation data.