Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

How to Tell if Cat Mating Was Successful: 9 Signs to Look For

Share

Pregnant White Cat

If you have an unspayed female cat, she can become pregnant very easily. Your cat’s estrus cycle shares some similarities to a human’s menstrual cycle. Your unspayed female can go into heat by 6 months of age or even earlier, and pregnancy can occur as early as their first heat.

Maybe you’ve tried mating your cat or you’ve seen her in your yard with a male and are wondering if the mating was successful. Cats are notorious for being good reproducers, and usually, just one mating encounter has a high chance of conception. So, if you suspect your cat is pregnant, you may be right. Here are a few telltale signs to watch for that can indicate if your cat’s mating was a success.

If you see any of these signs, get your female cat to the vet as soon as possible for an official diagnosis. Also, prepare yourself to help your queen take care of a litter of tiny kittens that will rock your world—in a good way!

divider 2 cats

The 9 Signs a Cat Mating Was Successful

1. Your Cat’s Heat Cycle Has Changed

The average heat in a female cat lasts 7 days. If she doesn’t get pregnant, she can go into heat as often as every 2–3 weeks. If your cat is expecting kittens, she’ll stop having her heat cycle. While this may not be noticeable at first, you’ll notice when she doesn’t go into heat again after a few weeks, so keep track of it and wait and see.


2. She’s More Loving Toward You

If you’ve noticed that your cat is more loving toward you, that may be a sign that she’s pregnant. Many pregnant female cats show more affection toward their owners. Your cat knows she can trust you. She may be showing you more affection because the mating was a success and she’s counting on you to help her get through her pregnancy.  Keep in mind that some pregnant cats become aggressive, as hormones modify behavior in different ways.

woman carrying a cat
Image Credit: StockSnap, Pixabay

3. She’s Eating More

If you notice you’re filling your cat’s food bowl more often, it could be a sign of successful mating. A pregnant cat will eat more food because the kittens growing in her belly need nutrients to grow. Plus, a pregnant cat will require a calorie-rich and highly digestible diet based on animal protein and healthy fats.


4. She’s Putting on Weight

As a pregnant cat is eating more during her pregnancy, she’s naturally gaining weight. On top of that, a pregnant cat is usually less active than normal, meaning that calories aren’t being burned at the same rate.

If your cat is pregnant, those little kitties inside her belly weigh something—even though they’re tiny—which only adds more weight to your cat.

While it varies how much weight a cat gains during her pregnancy, most pregnant cats gain around 4 pounds of body weight. The chances are good that your cat’s mating was a success if you’ve noticed your furry friend getting chunkier as time goes by.

beautiful pregnant cat
Image Credit: Jim Polakis, Shutterstock

5. Her Nipples Have Gotten Pinker and Bigger

An early sign of successful mating in a cat is enlarged pink nipples. You may be able to see these changes as soon as a couple of weeks following mating. This is your cat’s body getting ready to produce milk for the kittens.

As the milk glands start producing food for the kittens, the nipples get larger and they turn pinker as blood rushes to the area to aid in lactation.


6. Her Abdomen Is Swollen

In addition to your cat’s nipples growing larger, her abdomen will also swell during pregnancy as the babies inside her grow. This is simply the body’s response to making more room for those growing kittens.

If your cat is fat or has thick, long hair, her enlarged abdomen may not be so obvious. However, sooner or later, you’ll notice the kitty version of the “baby bump,” so keep your eyes peeled and be ready for it!

If you’re lucky, you may be able to feel those tiny kittens in your cat’s belly at only 20 days into the pregnancy. That is if your cat allows you to touch her abdomen while she’s focused on protecting her unborn kittens. Keep in mind that the kittens are very fragile, so no pressure should be applied. Please be extra gentle and careful.

Pregnant Cat Nipples VS Normal Cat Nipples Infographic
You are free to use this image but we do require you to link back to Catster.com for credit

7. She’s Looking for a Place to Have Kittens

A pregnant cat will show some nesting behavior during the later stages of her pregnancy. During this time, she’ll look for a place to have her kittens, and it could be in the oddest place, like a drawer or the back of a closet.

A soon-to-be-mother cat will want to give birth in a low-traffic area to keep the kittens safe. Don’t be surprised if you see her making a nesting area on top of your freshly folded bath towels in your hallway or bathroom closet!

You could buy a cozy thermal cat mat and place it in a low-traffic area to encourage your cat to have her babies there. Just be sure you cover it with towels and that the mat you buy is washable because, as you might have guessed, giving birth can get messy.


8. She’s More Laid Back and Sleeping More Than Usual

A pregnant female cat will often be more laid back when she’s preparing to have a litter of kittens and will sleep more than usual. If your normally active cat is now more chill and sleeping more than normal, the chances are good that the mating was successful.

This change of behavior is nothing more than an effect of the hormonal changes happening to her body, so don’t be alarmed if your cat lounges around most of the day and seemingly sleeps forever!

A pregnant Donskoy Sphinx cat sleeping
Image Credit: Azovsky, Shutterstock

9. She’s Moodier Than Normal

Everybody knows that pregnant women can be moody, but not everyone knows that the same thing can happen with pregnant cats. The mating may have been successful if you’ve noticed your cat has some mood swings. For example, she might be your best buddy in the morning and rub up against you to show her affection only to be withdrawn and sullen later in the day. Don’t worry if your cat’s moods seem to be all over the place, as it may simply be those pesky hormones acting up again.

If you have any concerns or curiosities about your cat or their health, we recommend you contact a vet directly.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

divider 2 cats

Conclusion

Now that you know what signs to watch for that can indicate that the mating was successful, you’ll have a good idea whether or not your cat is expecting kittens. To confirm your suspicions, take your cat to the vet to see if she is pregnant. If she is pregnant, you can get ready to welcome a litter of newborn kittens into your life and give them all the love you can while caring for their special momma.


Featured Image Credit: Boy77, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Ask Dr. Paola – Help! My Momma Cat Is Very Thin! (May 18, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

The Cat Biting Mistakes Most Owners Make (And What Works Instead)

Cat bites sent more than 400,000 people to emergency rooms in the US each year.1 Not scratches. Bites. And the reason they’re so...

Do Cats Cause Schizophrenia? Scientists Find a Link – Here’s What It Means

Being a fierce advocate (and occasional recipient of) mental health support and awareness, the term ‘crazy’ is not one I like to fling...

One in 100 Cats Gets Diabetes – Here’s How to Catch It Early

One in every 100 cats develops diabetes.1 That’s not a rare, unlucky condition reserved for cats with obvious health problems. It’s common enough...

More related

5 Best Cat Litters for Declawed Cats in 2026 – Reviews & Top Picks

Catster does not support declawing. Instead, regularly trim their claws, and provide them with a scratcher to allow your cat to display the...

Will Your Cat Miss You If You Give Them Away? Cat Emotions Explained

Cats are loyal, loving animals that can form strong bonds with their owners. But what happens when you give your cat away? Is...

Why Does My Cat Burrow Under Blankets? 7 Vet-Verified Reasons

Kitties have some pretty interesting mannerisms. They’re always doing some quirky behavior that, as humans, we can barely understand. If you have a...

How Many Nipples Do Cats Have? Vet-Reviewed Facts & FAQ

If you’ve ever seen a pregnant cat nursing, you know that there are plenty of feeding stations to go around. Both male and...

Keep reading

How Do Cats Play with Humans? Vet-Reviewed Feline Behavior

Watching two cats play together can be a ton of fun because of the spirited and silly antics they get up to. However, these playful actions often don’t carry over to playtime with humans. It can be difficult to determine...

cat playing with owner

Smalls vs Cat Person: Pros, Cons & Our Verdict

Fresh dog foods have long been all the rage in the canine world, but it hasn’t been until recently that the same could be said for cat foods. A fresh food diet is ideal for cats as they’re high in...

Smalls VS Cat Person

Is Dracaena Toxic to Cats? Vet-Reviewed Houseplants Examined

Having live houseplants adds a nice touch to your home and helps to keep your air clean, but our feline companions do enjoy playing with leaves and flowers. While many plants are safe, some common houseplants, like dracaena, are toxic...

Catster_Is Dracaena Toxic to Cats

Why Does My Cat Reach His Paw Out to Me? 9 Vet-Verified Reasons

There are several reasons that your cat may reach out to you, whether they are lying down or lightly tapping you with their paw while standing up. As you might imagine, the most obvious reason is to try to get...

cat reaching out

Cats Peeing on Shoes: 7 Vet Reviewed Reasons & How to Stop It

Nothing is worse than slipping your feet into a pool of cat pee—in your own shoe. If your cat has made a habit out of weeing into your Nikes, you’re looking for solutions. But before you can stop the problem,...

tabby-cat-pees-on-shoes

Are Zinnias Poisonous to Cats? Vet-Reviewed Houseplants Examined

It’s a beautiful sight to look out your window and see the colors of all the zinnias in your garden. But if you have a curious cat, your flowers might be on their radar for tearing at or even chewing...

Catster_Are Zinnias Poisonous to Cats

What Can Cats Eat Besides Cat Food? Vet-Verified Nutrition Guide

When it comes to being a responsible cat parent, there is no worse feeling than getting home from the grocery store and unpacking everything, only to find you forgot the cat food! And that’s before your cat starts giving you...

tabby cat eating fresh food

Do Anti-Vomiting Cat Bowls Work? Vet-Verified Facts & FAQ

If you have cats in the home, you’re most likely familiar with the unwanted sound of one vomiting somewhere in the house. It isn’t something nice to hear. Especially during the middle of the night or when you can’t locate...

grey cat licking lips after eating cat food from bowl inside on floor

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.