I think my foster dog is pregnant?

Pregnancy for dogs lasts between 58 to 67 days, with 63 days being the average delivery date. Some dogs experience morning sickness, but a good sign is weight gain. If you take your dog to the vet after she's been pregnant for at least 4 weeks, the vet should be able to feel the puppies. Here is a good article on it: http://pets.webmd.com/dogs/signs-dog-...