Short answer: there is no single right age for every dog. Ask your vet, because breed, size and health matter.
The AKC says spay and neuter surgery often happens at four to six months, but that studies have shown this may not be the best age. It says research at UC Davis found that for some breeds, spaying and neutering may be linked to increased risks of certain conditions, such as joint disorders and some cancers.
Ask your vet what they recommend for your dog's breed and size. Our guide on spay, neuter, heat and pregnancy covers more.
Your vet knows your dog and can talk through the pros and cons.
This article is general education, not veterinary advice. If your dog seems unwell, is in pain, or something changed suddenly, call your vet. If it could be an emergency, do not wait.
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This guide does not cover medical care. It is background on clear, calm handling at home.
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