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Dedicated to saving San Francisco's
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Benefits of Spay/Neuter Surgery | Español
There are a number of compelling reasons to spay or neuter your pet:

  • Spay/neuter surgery has health and behavior benefits. It removes reproductive organs that often cause dogs and cats to have medical problems in later life.

  • Spaying reduces the risk that a female dog or cat will suffer from mammary tumors and uterine cancer. It eliminates the risk of complications from pregnancy.

  • Neutered males won’t develop prostate problems or testicular cancer.

  • Altered dogs and cats are more relaxed pets, because they are not driven to mate, and they are less inclined to defend territory. They are less apt to fight with other animals. They are not as likely to roam, so there’s less chance they will get lost, injured or killed.

  • Neutered dogs are less apt to urinate in the house.

  • Altered cats are less inclined to spray.

  • Altered dogs have fewer behavior issues.

  • Contrary to popular belief, altering does not spoil your pet’s personality. Nor does it make your pet fat and lazy.

  • Spay/neuter surgery also has humane benefits. It saves lives by preventing unwanted litters and homeless animals.

It's a myth that cats and dogs should have one litter before spaying:

  • Motherhood does not make for a better pet; having a litter doesn’t necessarily result in a calmer dog or cat.

  • There are advantages to altering at an early age.

  • Early spay/neuter surgery ensures that a dog or cat won’t reproduce.

  • Animals altered at an early age seem to recover more quickly and painlessly that those altered later on.

  • There is less surgical trauma, faster recovery and fewer complications with early spay/ neuter surgery.

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