Pregnancy Calculator

Last Menstrual Period:

Average length of Cycles


22 (defaults to 28) 45

Average Luteal Phase Length


9 (defaults to 14) 16

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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