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Gestation Calculator

This document is only valid for the day on which it is accessed. Please read our .

See also the corrected age calculator.

First day of LMP
EDD by scan or dates
Calculate the gestation as of

The EDD from the LMP is

The gest age based on the LMP is weeks ^{+ day(s)}

The GA based on the presumed EDD is weeks ^{+ day(s)}

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