Cats, Litter Boxes and Toxoplasmosis in Pregnancy

By Ana Sutton

The cat is asleep on the chair you were about to sit in, and someone has just told you, kindly and with total confidence, that the cat has to go before the baby arrives. It is one of the oldest pieces of pregnancy advice going, and it gets repeated so surely that it is hard to argue with in the moment. The concern underneath it is a parasite called toxoplasma, and the part everyone repeats about how it travels is the part that is wrong. This guide covers what toxoplasma actually is, the routes it travels most often, what it can mean for a baby, and the small daily routine that covers nearly all of the risk.

Do you have to give up your cat?

No. Almost no one needs to rehome a cat during pregnancy. The advice to get rid of the cat is outdated and, honestly, upsetting for no good reason. Your cat is family, and the actual risk is manageable with habits you can start today. The cat side of it comes down to a litter box you either hand to someone else or handle with gloves, which is a far smaller ask than finding your cat a new home.

The one exception is a specific medical reason your provider raises with you. Short of that, keeping your cat and being sensible about the litter box is the mainstream, evidence-based position.

What toxoplasmosis actually is

Toxoplasmosis is an infection caused by the toxoplasma gondii parasite. In healthy adults it usually causes no symptoms at all, or a mild flu-like illness (swollen glands, tiredness, aches) that passes on its own. Most people who have had it never knew. The reason it is taken seriously in pregnancy is that a first-time infection can, in some cases, be passed to the baby. If you were infected well before pregnancy, you are generally considered protected for future pregnancies.

How you actually catch it

Food is a more common route than cats. The litter box gets all the attention, but for most people the parasite arrives on a plate. It spreads through:

• Eating raw or undercooked meat, the single most common route. The same caution behind avoiding deli meat and raw fish and sushi in pregnancy applies here.
• Eating unwashed fruits and vegetables that carry traces of contaminated soil.
• Handling soil while gardening, then touching your face or eating without washing your hands.
• Contact with infected cat feces, usually through the litter box, and only from a cat that is currently shedding the parasite for the brief window in which that happens.

That last detail is the one that usually gets left out, and it does most of the work. A cat only sheds toxoplasma for a short period, usually once in its life, and the fresh feces are not even infectious for the first day or so. That is why the daily-litter-box habit below works so well.

Indoor cats, outdoor cats, and hunters

A fully indoor cat that eats commercial food and never hunts is very unlikely to carry toxoplasma. Cats catch it the same way we do, mostly by eating infected prey or raw meat. An indoor cat that has never hunted a mouse and eats food from a can or bag has little opportunity to pick it up, and even if it did, it would only shed the parasite for a short window once and then be immune.

The higher-risk profile is an outdoor cat that hunts, or a cat fed raw meat. If that describes yours, the precautions below matter a little more, and it is a reasonable thing to mention to your provider. Either way, the answer is a good litter-box routine, not rehoming.

What it can mean for your baby

A first-time infection during pregnancy can sometimes pass to the baby, which is the whole reason for the care. This is called congenital toxoplasmosis. Most babies exposed are born healthy, but in some cases it can affect the eyes, the brain, or growth, occasionally with effects that show up later in childhood rather than at birth.

One pattern here gets misremembered often enough to be worth stating plainly. The chance of the infection passing to the baby rises later in pregnancy, while the severity of effects tends to be greater when infection happens earlier. That sounds worrying stated flatly, but it is exactly why the simple precautions and, where appropriate, testing below are worth doing. Prevention is genuinely effective, and if an infection is caught it can be treated.

Does past infection protect you, and should you test?

If you were infected before pregnancy, you are generally protected, but you should not simply assume you were. A blood test can check for toxoplasma antibodies. In broad terms, one type of antibody (IgG) suggests a past infection and therefore some immunity, while another (IgM) can point to a more recent one. The interpretation is not always clean-cut, which is why a provider reads the result rather than you reading it off a page.

Routine universal screening is not standard in the United States, so testing is usually offered when there is a reason: an outdoor or hunting cat, a known exposure, or simply because you would rather know. If you would like to know your immunity status, ask your provider whether a test makes sense for you. There is no harm in asking.

What happens if you are diagnosed

A toxoplasmosis infection in pregnancy can be treated, and treatment lowers the chance of it reaching the baby. If testing suggests a recent infection, your provider will usually confirm it and may involve a maternal-fetal medicine specialist. Depending on timing, antibiotics are used to reduce the risk of transmission or to treat the baby if infection is confirmed. Your provider chooses the medication and the plan.

The point to hold onto is that a diagnosis is not a dead end. It is a situation with a clear management path, monitored with your care team. That is a very different thing from the fear that drives the old rehome-your-cat advice.

Simple precautions that work

• Let someone else change the litter box if you can. If you must do it, wear disposable gloves and wash your hands well afterward.
• Change the box daily. The parasite in fresh feces takes more than a day to become infectious, so daily cleaning lowers the risk a lot.
• Keep your cat indoors and feed it commercial cat food rather than raw meat.
• Cook meat thoroughly and wash fruits and vegetables well. This is the biggest lever, since food is the more common route.
• Wear gloves when gardening or handling soil, and wash your hands afterward.
• Wash hands, cutting boards, and knives after preparing raw meat.

None of this is dramatic, and that is the point. A daily scoop handed to a partner, gloves when you garden, and cooking meat through covers almost the entire risk.

Myths and facts

• Myth: you have to rehome your cat. Fact: you do not. A litter-box routine handles the risk.
• Myth: you can catch it from cat fur, a cuddle, or a scratch. Fact: toxoplasma is not spread by petting, holding, saliva, or scratches. The only cat route is infected feces.
• Myth: cats are the main way people get it. Fact: undercooked meat and unwashed produce are more common routes for most people.
• Myth: any cat is a danger the whole pregnancy. Fact: a cat sheds the parasite only briefly, usually once in its life, and an indoor non-hunting cat is very unlikely to shed at all.
• Myth: if you cleaned the box once, the damage is done. Fact: a single exposure is unlikely to cause infection, and most cats are not shedding at any given moment. Change your routine going forward and mention it to your provider if you want reassurance.

When to talk to your provider

Reach out if you develop swollen glands with a lasting flu-like illness, if you know you have handled raw meat or cat feces without protection, if you have an outdoor or hunting cat and want to understand your risk, or if you would simply like to be tested for immunity so you know where you stand. None of these is an emergency. They are all reasonable reasons to ask a question at your next visit.

Somebody in your life will still tell you the cat has to go, and by then you will know more about toxoplasma than they do. What were you told, and who told you? Add it in the comments, along with how you settled it. This one gets passed down at kitchen tables, and the quickest way to retire it is to hear how other people talked their way out of it.

Frequently asked questions

Can I keep my cat while pregnant?

Yes. Almost no one needs to rehome a cat during pregnancy. The concern is a parasite called toxoplasma, and a few simple habits, mainly staying out of the litter box, lower an already small risk to almost nothing.

What if I already cleaned the litter box while pregnant?

Try not to worry. Most cats are not shedding the parasite at any given moment, and catching it this way is uncommon. Hand the job to someone else going forward, or use gloves and wash your hands well, and mention it to your provider if you would like reassurance or a test.

How likely is toxoplasmosis in pregnancy?

A first-time infection during pregnancy is uncommon, and many people never know they had it because it usually causes no symptoms. Food is a more common route than cats, which is why the meat and produce habits matter as much as the litter box.

Can indoor cats give you toxoplasmosis?

It is very unlikely. A cat that lives indoors, eats commercial cat food, and never hunts has little chance of carrying the parasite, and even an infected cat only sheds it for a short window once in its life.

Can I still cuddle, pet, or hold my cat?

Yes. Toxoplasma is not spread through your cat's fur, saliva, a scratch, or affection. The only cat-related route is contact with infected feces, which is why the litter box is the one thing to be careful with.

Can toxoplasmosis affect the baby?

A first-time infection during pregnancy can sometimes pass to the baby, which is why it is taken seriously. It can also be treated, so if you are diagnosed your provider will guide care to lower the risk. This is exactly what the simple precautions are there to prevent.

Medical Disclaimer: This article is for general educational purposes only and is not medical advice, and it does not replace guidance from your doctor or midwife. Always confirm what is right for you with a qualified professional. If you think you may be experiencing a medical emergency, contact your local emergency services right away.

Sources

• Centers for Disease Control and Prevention (CDC). “Toxoplasmosis: Pregnancy FAQs.”
• American College of Obstetricians and Gynecologists (ACOG). “Toxoplasmosis and Pregnancy.”
• National Health Service (NHS). “Toxoplasmosis.” 2024.
• MedlinePlus, U.S. National Library of Medicine. “Congenital Toxoplasmosis.”