Cat Litter, Gardening Soil & Toxoplasmosis

This is one of the most well-known pieces of pregnancy advice — and also one of the most misunderstood. You don’t need to give up your cat or your garden; you just need a few specific, simple precautions.

What toxoplasmosis is and why it matters

Toxoplasmosis is an infection caused by the parasite Toxoplasma gondii, which is common and usually causes no symptoms or only mild, flu-like illness in healthy adults — most people who are infected never know it. The reason it gets specific attention in pregnancy is that infection during pregnancy can, in some cases, be passed to the baby and cause serious complications, particularly if infection occurs during pregnancy for the first time (having had it before pregnancy generally gives immunity). This is why the precautions below are specifically about avoiding new infection during pregnancy, not about avoiding cats or gardens altogether.

Cats and litter trays

Cats can carry Toxoplasma and shed it in their faeces, which is why litter trays are the specific focus rather than cats themselves — normal contact with your cat, stroking, and everyday life with a pet cat is not a risk.

If possible, ask someone else to change the litter tray during pregnancy. This is the simplest way to remove the risk entirely.

If you have to do it yourself: wear disposable gloves, wash your hands thoroughly afterwards, and change the litter daily — the parasite needs one to five days outside the cat’s body to become infectious, so a litter tray changed daily is considerably lower risk than one left for several days.

Indoor cats that don’t hunt and eat only commercial cat food are at low risk of carrying Toxoplasma in the first place, since infection in cats typically comes from eating infected prey or raw meat — this doesn’t remove the value of the precautions above, but it’s worth knowing your own cat’s risk profile is not the same as an outdoor hunting cat’s.

There’s no reason to rehome a cat because of pregnancy — this precaution is specifically about litter tray hygiene, not about pet ownership itself.

Gardening and soil

Soil can also harbour Toxoplasma, typically from cat faeces in the area (including from other people’s or feral cats, not just your own) rather than the soil itself. The same general principle applies: wear gardening gloves when handling soil or compost, and wash your hands thoroughly afterwards. This is covered in more detail, alongside other gardening precautions like lifting and posture, in our gardening exercise guide.

Unwashed fruit and vegetables

Toxoplasma can also be present on unwashed fruit, vegetables, and salad if they’ve had contact with contaminated soil. Washing all raw produce thoroughly under running water before eating — covered in more detail in our salad leaves and leafy greens guidance — is part of the same overall precaution against toxoplasmosis, alongside its role in reducing other soil-borne risks.

Undercooked meat

Toxoplasma can also be present in undercooked meat, which is one of several reasons meat should always be cooked thoroughly during pregnancy — see our meat category pages for specific guidance by type.

The reassuring summary

Actual toxoplasmosis infection during pregnancy is uncommon, and these precautions — gloves and handwashing for litter and soil, thoroughly washed produce, and well-cooked meat — reduce the risk to a very low level without requiring you to give up your cat, your garden, or normal daily life.