Due Date Calculator

When Baby Arrives and Other Key Dates

due date
Enter the first day of your last menstrual period and then click the "Calculate" button for your due date.
Month: Day: Year:
 
Length of cycle in days:
 
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Results: Due Date
Your Conception Date is:
(Approximately 2 weeks before your next menstrual period)
You're in your First Trimester (week 1-12)
6/4/2007
Your period of greatest risk for birth defects is:
(5 to 10 weeks of gestational stage)
6/25/2007
to
7/30/2007
Your baby's fetal organ formation begins:
6/25/2007
Your baby's major organs have formed:
7/30/2007
Second Trimester (weeks 12-27)
Your risk of miscarriage decreases:
8/13/2007
If your baby is premature, but born after this date,
s/he has a chance to survive:
10/29/2007
Your Third Trimester begins on:
(Weeks 27 - 40)
11/26/2007
Your Pregnancy Due Date is:
(Weeks 40 - Full Term)
2/25/2008


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