Pregnancy Due Date & Trimester Calculator

Calculate estimated baby delivery due date, gestational age, and trimester timeline using Naegele's rule.

Key Features

• Supports LMP, Conception Date, and IVF transfer methods
• Visual 40-week gestational progress bar
• Trimester 1, 2, and 3 milestone calendar dates
• 100% Private in-browser calculation

Frequently Asked Questions

What is Naegele's Rule?

Naegele's rule calculates the expected delivery date by adding 1 year, adding 7 days, and subtracting 3 months from the first day of the last menstrual period (LMP).