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I am sorry you are worried about your dog. My name is Rebecca. I am a veterinarian and will do my best to help.
She could be pregnant; does she have a big belly? She also could be having a false pregnancy, where she nests, has milk, and may even treat socks or toys as puppies for awhile. A false pregnancy may last a few days to a week or more, but eventually goes away.
If she has an enlarged belly, an Xray will tell you if she is pregnant and how many puppies she will have. If she is pregnant and has milk, she will probably have the puppies soon, in less than a week.
If she is not pregnant, I would have her spayed so this does not happen again.
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