Cats may miscarry around 40 days into pregnancy. Any animal that suffers severe stimulation during pregnancy may cause miscarriage or stillbirth, and cause damage to the female cat's body. It is recommended that cat owners pay attention to the environmental conditions, the immune status of the female cat before pregnancy, and the female cat's own nutritional status when taking care of a pregnant female cat. In addition, cats need intensive care during pregnancy to avoid accidents, and they need to pay attention to dietary hygiene.

Methods to prevent miscarriage in pregnant cats:

1. First, take the cat for a comprehensive examination to rule out potential diseases. Have regular pregnancy check-ups after pregnancy.

2. Limit cats from running, jumping and other movements during pregnancy to prevent miscarriage.

3. It is best to ensure the stability of the environment and not to change the inherent living environment. For example, moving will cause the cat's stress response and affect the cat's mood.

4. When the cat is sick, seek medical treatment promptly and do not feed the cat without permission, especially anthelmintics.

5. Ensure the cat’s nutrition and prevent infectious diseases or extreme malnutrition of the female cat.