When To Spay Or Neuter A Cat?—Your Questions Answered

When to spay or neuter a cat?the essential question for every responsible cat owner.

When is the best time to have your beloved pet fixed? It might seem like a tricky decision, but the answer is actually quite simple.

Spaying or neutering your cat offers numerous benefits, not only for your furry friend but also for the wider feline population.

Whether it's curbing overpopulation, reducing undesirable behaviors, or decreasing the risk of certain health problems, getting your cat fixed is a wise choice.

So, let's get straight to the point and find out the optimal time to spay or neuter your feline companion.

When To Spay Or Neuter A Cat?

First, let us say there is no difference between spaying females and neutering males when it comes to age. In cats, the same guidelines apply to both sexes.

Simply put, the right age is where we can ensure the cats never reach sexual maturity. There are three good reasons for that -

1. Preventing cats from reproducing and adding to the massive cat overpopulation problem.

2. Prevent cats from adopting unwanted behaviors that their sex hormones could trigger, such as roaming, spraying urine, or becoming more aggressive.

3. Decreasing the risk for certain types of cancer. Like breast cancer in women, mammary cancers commonly affect cats.

However, spaying cats before their first heat cycle dramatically decreases their risk of developing these cancers.

Most cats reach sexual maturity at around the age of six months. Some do so earlier though, even as young as five months old.

Most veterinarians recommend spaying and neutering pet cats at the age of 4-5 months, considering the waiting time for the procedure and possible delays.

In fact, SpayUSA.com reports that the average age for pets to be neutered or spayed is 4 months.

But Is That Early Enough?

Most kittens can safely undergo the procedure at four months of age. Responsible owners who understand the consequences of delaying ensure that they fix their kittens by this age.

Veterinary surgeon checking bandage on cat stressed after spaying, castration

In some cases, it's better to spay or neuter kittens even younger.

Many shelters and rescue organizations only rehome kittens after spaying or neutering them to guarantee they won't reproduce.

This "early age spay/neuter" practice involves performing the procedure on kittens as young as 6-14 weeks old.

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Is Early Spay/Neuter Safe For Kittens?

The answer is a resounding yes!

A kitten with a funnel cone post-surgery

Several studies confirm the safety and benefits of spaying and neutering kittens at a young age.

The American Association of Feline Practitioners (AAFP) endorses early spay/neuter as long as kittens weigh at least one kilogram (about two pounds).

The 2010 official position paper on early-age spay and neutering details numerous advantages of these procedures:

  1. Shorter surgery times and faster recovery.
  2. Lower risk of asthma, gingivitis, and hyperactivity.
  3. Reduced likelihood of behavioral issues such as roaming, urine marking, fighting, inappropriate urination, estrus behaviors, and aggression.

Vet surgery neutering a cat on the veterinary clinic, ovarian removal

While some studies noted increased shyness in male kittens, experts agree that early spay/neuter is a recommended practice to address cat overpopulation.

Numerous organizations endorse early neutering, including the AVMA, AAHA, AHA, HSUS, ASPCA, Association of Shelter Veterinarians, Society for Theriogenology, American College of Theriogenologists, and The Cat Fanciers’ Association/Winn Feline Foundation.

 So, When To Spay Or Neuter Your Cat?

As always, you should consult your veterinarian to determine the best time to spay or neuter your cat. Consider your cat's overall health, your lifestyle, and your preferences in this decision.

Generally, you should spay or neuter a healthy pet cat by the age of five months.

You can safely perform the procedure earlier, but ensure your veterinarian has experience with early-age spaying and neutering, as well as the appropriate anesthesia protocols."

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when to spay or neuter a cat?

If you're not sure why spaying and neutering are so important, read this -
Why You Should Spay And Neuter Your Cats

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14 comments on “When To Spay Or Neuter A Cat?—Your Questions Answered

Furballsmom September 29, 2019
kitty416 said:
Tiger is my 10 month old male kitten(?) cat (?). He is being aggressive to one of my older female cats, Kona(5 years old), by chasing her away when she approaches me for attention. He began this behavior around 3 months ago. Kona has become increasingly intimidated by him and is hesitant to let me pet or brush her lately. I have dealt this behavior by placing Tiger in a huge cat (sanctuary) cage while I give Kona personal attention while I am downstairs. I want to add that the cage I place Tiger in was his home when he came to live with us at 5 weeks, until he was old enough to remain outside the cage as he grew up. It is multi-leveled and accommodates all his needs, bedding, food and litter box. I feel he doesn't view it as punishment to be placed in it. He seems accepting and usually naps for his short stay. All three of my cats have free reign of my townhouse. Kona prefers downstairs and Sophie prefers upstairs and Tiger stays close by me when I'm home and everywhere else when I'm not. Tiger has not been neutered. Would having him fixed possibly curtail his aggression towards Kona or is it just a matter of Tiger maturing? Both girls have been spayed. He is only aggressive with Sophie sometimes, but she is closer to his age (3 years old) and they have played/wrestled since he was around 3 months. They seem to be pals, but when he is aggressive Sophie can hold her own, being a sturdy American Bobtail. Thanks for any advice anyone can give. Oh, and it is only me and the three cats in the home.
Hello @kitty416! As is usually noted at the end of articles, it is best to post questions in forums rather than in the comments section of articles. For example, this question should be posted in the forum Cat Behavior that is where members will see your post and will offer advice and support. If you aren't familiar with how to post a new thread this may help; How To Create A New Thread
kitty416 September 16, 2019
Tiger is my 10 month old male kitten(?) cat (?). He is being aggressive to one of my older female cats, Kona(5 years old), by chasing her away when she approaches me for attention. He began this behavior around 3 months ago. Kona has become increasingly intimidated by him and is hesitant to let me pet or brush her lately. I have dealt this behavior by placing Tiger in a huge cat (sanctuary) cage while I give Kona personal attention while I am downstairs. I want to add that the cage I place Tiger in was his home when he came to live with us at 5 weeks, until he was old enough to remain outside the cage as he grew up. It is multi-leveled and accommodates all his needs, bedding, food and litter box. I feel he doesn't view it as punishment to be placed in it. He seems accepting and usually naps for his short stay. All three of my cats have free reign of my townhouse. Kona prefers downstairs and Sophie prefers upstairs and Tiger stays close by me when I'm home and everywhere else when I'm not. Tiger has not been neutered. Would having him fixed possibly curtail his aggression towards Kona or is it just a matter of Tiger maturing? Both girls have been spayed. He is only aggressive with Sophie sometimes, but she is closer to his age (3 years old) and they have played/wrestled since he was around 3 months. They seem to be pals, but when he is aggressive Sophie can hold her own, being a sturdy American Bobtail. Thanks for any advice anyone can give. Oh, and it is only me and the three cats in the home.
kevintsh August 1, 2019
kevintsh said:
Can I still spay my cat when she's about 18 months old?
Noted.
mani August 1, 2019
kevintsh said:
Can I still spay my cat when she's about 18 months old?
It's best to ask these questions out on the forums @kevintsh :)
kevintsh July 31, 2019
Can I still spay my cat when she's about 18 months old?
therese July 17, 2019
Rich K said:
I wish more emphasis would be put on spaying as a cancer preventative. I lost my best buddy to mammary cancer at age 10 in spite of surgery and chemotherapy. As a single indoor cat there was no chance of unwanted kittens so I thought why risk the operation. Dumbest mistake I ever made. I just wish the vet had stressed the cancer issue instead of just the unwanted kitten issue.
You know, I had the spay when my Lola ( see photo ) was very young, and she STILL got cancer, granted, she was 15 but she still got mammary cancer....
Rich K July 9, 2019
I wish more emphasis would be put on spaying as a cancer preventative. I lost my best buddy to mammary cancer at age 10 in spite of surgery and chemotherapy. As a single indoor cat there was no chance of unwanted kittens so I thought why risk the operation. Dumbest mistake I ever made. I just wish the vet had stressed the cancer issue instead of just the unwanted kitten issue.
andybones October 16, 2018
new to this site. registered in the hopes of finding out if it is possible for a neutered cat to still have raging hormones and if so how do you find out. can't figure out how to navigate site :(
Zoemercedes July 24, 2018
Can someone please tell me if this kitten is a girl or boy the picture is not very clear sorry
Peacefulpearl June 18, 2018
My vet didnt agree on neutering my male kitten before reaching 6 months of age, im worried he'd develope pee marking by that time:paranoid:
mingsmongols July 8, 2016
There's not a vet in my town that will spay/neuter before 4 months.. it's actually kind of fustrating.
lykakitty July 5, 2016
All of my cats I have now were fixed by 5 months, and one as young as 2 months. The recovery time for all of them was amazingly quick, at least compared to my childhood cat, who was spayed at almost 2 after having a litter. She retained a few behavior problems, too, and none of my cats who have been fixed as kittens have had any sort of related behavior problems. Big fan of early age spay and neuter, seems to be best for everyone
Anne July 4, 2016
Maybe you should print out the AAFP's position paper and show her or him? Honestly, I would consider switching vets if they still wouldn't neuter at 4-5 months of age after reading that. 
jellycatfish July 4, 2016
My vet doesn't want to neuter my kitten before 6 months old...

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