Pregnancy Calculator

(Days of the week are optional. The calculator will automatically determine them.)
Date of your last menstrual period:
  
 
 
Conception Occurred:
(about two weeks after last menstrual period)
First Trimester Ends (12 weeks) :
Second Trimester Ends (27 weeks) :
 
Estimated Due Date
(40 weeks):
On , you will be weeks pregnant.