You can safely change cat litter while pregnant by wearing disposable gloves, scooping the box every day, and washing your hands thoroughly afterward. The concern is a parasite called Toxoplasma gondii, which can pass through cat feces and cause serious problems for a developing baby. But the actual risk is lower than most people assume, and with a few precautions, you don’t need to rehome your cat or avoid the litter box entirely.
Why Cat Litter Is a Concern During Pregnancy
Cats are the only animals that shed Toxoplasma gondii in their feces. When a cat eats infected prey or raw meat, the parasite reproduces in the cat’s digestive tract and produces microscopic egg-like structures called oocysts. A newly infected cat sheds these oocysts for about 10 to 14 days, starting three to ten days after eating contaminated food. Once in the litter box, those oocysts take one to five days to become infectious. That delay is the key to staying safe: if you scoop the litter daily, you remove the feces before they can pose a threat.
Most people who contract toxoplasmosis never notice symptoms. But a first-time infection during pregnancy can cross the placenta and reach the baby. About 1 in 10 babies born with the infection have problems at birth, including eye infections, seizures, or fluid on the brain. Babies who appear healthy at birth can still develop vision problems, intellectual disabilities, or other complications years or even decades later. The timing matters: infections later in pregnancy are more likely to reach the baby, but infections earlier in pregnancy tend to cause more serious harm.
How Likely You Are to Be Exposed
The overall risk is modest. National survey data shows that about 9% of U.S. women of childbearing age have antibodies to Toxoplasma, meaning they were exposed at some point. That rate has dropped significantly over the past few decades, down from 15% in the early 1990s. If you’ve been exposed before pregnancy, you generally have immunity that protects your baby (unless you’re immunocompromised).
Your cat’s lifestyle makes a big difference. Indoor cats that eat only commercial cat food and don’t hunt rodents, birds, or other prey are unlikely to carry the parasite at all. A strictly indoor cat that has never eaten raw meat is a very low-risk animal. The highest risk comes from cats that go outdoors and hunt, or cats fed a raw meat diet, since raw and undercooked meat is the primary way cats pick up the infection in the first place.
Step-by-Step Litter Box Safety
The ideal scenario is having someone else handle litter duty for the duration of your pregnancy. But if that’s not an option, here’s how to do it yourself with minimal risk:
- Scoop every day. This is the single most important step. The CDC recommends daily litter changes specifically because the parasite needs one to five days in feces to become infectious. Daily scooping removes it before that window opens.
- Wear disposable gloves. Put on a fresh pair each time and throw them away immediately after. This prevents any contaminated litter dust from getting on your skin or under your nails.
- Wash your hands thoroughly. Even after removing gloves, scrub with soap and warm water for at least 20 seconds. Oocysts are microscopic, so you can’t see or feel them.
- Avoid touching your face. The parasite enters your body through your mouth. Keep your hands away from your face while scooping, and don’t eat or drink near the litter box area.
- Don’t dump the entire box in a way that creates a dust cloud. Pour used litter gently into a trash bag to minimize airborne particles. If the litter is particularly dusty, a basic face mask adds another layer of protection.
Reducing Your Cat’s Risk of Infection
Preventing your cat from picking up the parasite in the first place eliminates the litter box risk entirely. Feed your cat only commercially prepared, cooked food. Heat kills Toxoplasma cysts, so standard commercial kibble and canned food are safe. Raw meat diets, homemade raw food, and table scraps of undercooked meat all carry risk.
Keep your cat indoors throughout your pregnancy if possible. Outdoor cats that hunt rodents and birds have the highest likelihood of encountering Toxoplasma. Even cats that don’t seem like active hunters can catch and eat small animals. If your cat already goes outside regularly, switching to indoor-only may not be realistic, but it’s worth knowing that this is the biggest variable in your cat’s risk profile.
One reassuring detail: cats typically shed oocysts only once in their lives, during their first infection. After that initial shedding period of 10 to 14 days, most cats develop immunity and stop shedding. So a cat that was infected years ago is very unlikely to be shedding the parasite now.
Other Common Sources of Toxoplasma
Cat litter gets all the attention, but it’s not the only way to contract toxoplasmosis during pregnancy, and it may not even be the most common route. Undercooked or raw meat, especially pork, lamb, and venison, is a major source of infection. Use a meat thermometer and cook all meat to safe temperatures. Wash cutting boards, knives, and countertops after handling raw meat.
Gardening is another overlooked risk. Outdoor cats may use garden soil as a litter box, and oocysts can survive in moist soil for over a year. Wear gloves when gardening, and wash your hands and any homegrown produce thoroughly. Unwashed fruits and vegetables from any source can carry the parasite if they’ve been in contact with contaminated soil or water.
What Testing Looks Like
Routine screening for toxoplasmosis is not recommended for low-risk pregnant women in the U.S. and Canada. If you have reason to think you’ve been exposed, such as flu-like symptoms after handling raw meat or contact with an outdoor cat’s feces, your doctor can order a blood test that checks for antibodies to the parasite. A positive result doesn’t necessarily mean a current infection; it may reflect past exposure and existing immunity.
If a recent infection is suspected, repeat blood testing is typically done two to three weeks later to see whether antibody levels are rising, which would suggest an active infection. Treatment can be started right away while waiting for those results. If the blood work confirms or strongly suggests a new infection, testing of the amniotic fluid can determine whether the parasite has reached the baby. This is generally done no earlier than 18 weeks of pregnancy and at least four weeks after the suspected infection, to reduce the chance of a false negative.
Women who are immunocompromised or HIV-positive are an exception to the no-routine-screening guidance. In these cases, screening is recommended because a previously dormant infection can reactivate and cause serious complications.