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Determing Pregnancy. Pregnancy in a dog is usually about 63 days, although it varies depending on the breed. In shorter breeds, the gestation period may be shorter and the puppies
http://www.ehow.com/how_4926627_what-stages-dog-pr...
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The average gestation for dogs is 63 days, making the early stage of dog pregnancy roughly 3 weeks in length. This gestation period is counted starting from the day of breeding, unlike
http://www.ehow.com/about_5415406_early-stages-dog...
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In early pregnancy, or the first trimester, there are many developmental milestones. In the first 12 weeks much of the brain and nerves develop. To find out more developmental milestones
http://answers.ask.com/Health/Other/what_are_the_e...
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The gestation period for dogs typically lasts 9 weeks, or 63 days, however puppies may be delivered 57 to 67 days. In the last couple of weeks, it's normal for the dog to become restless
http://answers.ask.com/Science/Nature/how_long_is_...
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