What should I know 1: Pregnancy Tracker
Weeks are counted from the first day of your last period.
Estimate your due date and track your pregnancy week.
Calculated from your last period, this helps you understand where you are in your journey.
The interactive calculator loads after the page hydrates in the browser.
This tool produces estimates from common formulas. Results are informational and should not be used on their own for diagnosis or treatment decisions.
Short answers to common questions about how to read this calculator page.
Weeks are counted from the first day of your last period.
A typical pregnancy lasts around 40 weeks.
The due date is an estimate, not a guarantee.
Ultrasounds provide the most accurate dating.
Regular prenatal checkups are essential.