Due Date Calculator

Pregnancy Date Calculator
Your personal pregnancy timeline

Enter the first day of your last menstrual period and click "Calculate":

Month:

Day:

Year:

Your Approx. Date of Conception is: (Approximately two weeks after your last menstrual period) You're in your 1st Trimester (weeks 1-12)
Your period of greatest risk for birth defects is: (Five to ten weeks gestational age)	to
Your baby's fetal organ formation begins
Your baby's major organs have formed:
Your risk of miscarriage decreases: (weeks 12-27)
If your baby is premature, but born after this date, s/he has a chance to survive:
Your Third Trimester begins on: (27 weeks)
Your Due Date is: (40 weeks - full term)

Find Out When Your Baby is Due Using the Due Date Calculator