The Mumsweb Pregnancy Date Calculator
 Create your own personal pregnancy timeline

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

Your Conception Date is:
(Approximately two weeks after your last menstrual period)
You're in your Trimester (weeks 1-12)
Mums to Be - A special section dedicated to pregnant Mums
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)

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