Dog Pregnancy Calculator

Canine gestation is usually quoted as 63 days, so a whelping date is date arithmetic once you decide which day to count from. Enter a mating, ovulation or LH surge date and you get the expected whelping day, the window around it, and the days when an ultrasound or an x-ray can confirm the litter. A third mode reports how far along she is on any date you name. Breeds, litter sizes and individual bitches vary, and a single mating date is the loosest of the three starting points, so the answer is a window rather than a due date.

Calculator Type
Zero uses 63 days from mating or ovulation and 65 days from the LH surge. Enter 55 to 72 to use a figure of your own.
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Zero uses 63 days from mating or ovulation and 65 days from the LH surge. Enter 55 to 72 to use a figure of your own.
Widget
Zero uses 63 days from mating or ovulation and 65 days from the LH surge. Enter 55 to 72 to use a figure of your own.
Widget
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