Pregnancy Calculator

Enter the mother's pregnancy information into this calculator and JavaScript will provide an estimated conception date, birth due date, and an estimated current fetal age. Great for all those mothers-to-be!

Last Menstrual Period:        
                              (MM/DD/YYYY format)

Average Length of Cycles:      (22 to 45)
                              (defaults to 28)

Average Luteal Phase Length:   (9 to 16)
                              (defaults to 14)

Estimated Conception: Estimated Due Date: Estimated Fetal Age:
   
 
   
 
 
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