This handy little script will calculate a due date based on the date of your first breeding and the standard of a 63 day gestation period.


Date of first breeding:

(MM/DD/YYYY format)

Estimated Due Date:


For those without Javascript-enabled browsers >>> a Perpetual Whelping Chart

coded for canines - © R. Lynn Shell-Whitlock
not to be copied onto webpages outside this domain w/o permission - thank you!