Pregnancy Calculator

Get an estimated conception date, birth due date and an estimated current fetal age:

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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