Under normal circumstances, female cats will continue to be in estrus after giving birth. If the breeder does not notice that female cats and male cats mate, they will become pregnant. Such continuous production consumes a lot of the female cat's body. If she becomes pregnant again before the production has resumed, the breeder needs to supplement the female cat with nutrients, vitamins, and calcium during this period to help the female cat strengthen its body. After giving birth, be careful to stay away from the opposite sex and avoid getting pregnant again.