Table of Contents
What is Pregnancy Calculation?
In medical literature, pregnancy process begins from the first day of the Last Menstrual Period (LMP) and lasts an average of 40 weeks.
How is Week Calculated?
Our tool uses the standard Naegele method which is considered the standard by doctors worldwide.
Frequently Asked Questions
Why depends on Last Menstrual Period instead of conception date?
Exact date of conception is hard to determine unless IVF was performed. Using the first day of the LMP provides doctors a standardized, trackable starting mark universally.