Updated On January 7th, 2018
Pet's info: Dog | Mixed Breed | Female | unspayed | 10 months and 10 days old
Answered By Mirissa Duncil, DVM 161
Veterinarian
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Hi there. When your dog has experienced heat cycles, their bodies will react differently from dog to dog. Much like puberty in humans, with the beginnings of such hormonal fluxes, breast enlargement as well as vulvar are common and may be permanent. Certain types of infections, called pyometras, are also a possibility-if your pup is lethargic, not eating or drinking, or has purulent discharge she should see a vet immediately.
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