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Pregnancy Due Date Calculator

Calculate based on:

Last menstrual period

Conception date

Ultrasound date

First day of last menstrual period:

Conception date:

Ultrasound date:

Weeks pregnant at ultrasound:

weeks

Average menstrual cycle length:

days

Your Results

Due Date:

Current Gestational Age:

First Trimester:

Second Trimester:

Third Trimester: