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When they breed, you should start calculating the due date. The time period between whelping and birth is usually 63 days. Some breeds, however, may have them earlier or later. Most dogs give birth about 56-72 days after whelping. When they whelp (breed) mark 9 weeks away from that date and the puppies should be born then.

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15y ago
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12y ago

You determine the estimated date of whelp by taking the first date of mating and plugging it into a whelping calculator such as this one - http://www.askabreeder.com/Dog+Gestation+Calculator . Dogs are pregnant around 63 days, but can have them earlier or later than that.

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Q: How do you calculate dog pregnancy?
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