A male cat can get a female cat pregnant as early as 6 months old. The reproductive system of a 6-month-old male cat has begun to mature and there is an obvious estrus period, indicating that the male cat has the ability to reproduce offspring. At this time, the male cat can make the female cat pregnant. If the cat owner has a need to breed the cat, he can start to help the male cat to be bred at this time. If the cat owner does not have a need to breed the cat, he can take the male cat for sterilization at this time.

Things to note when getting female cats pregnant:

1. Selection of breeding site: You should choose a quiet place with less disturbance from people for breeding.

2. The owner needs help in breeding. Inexperienced female cats are resistant to the male cat's climbing, and need pet owners to help hold the female cat down to prevent the female cat from turning around and biting the male cat to help the male cat complete mating.

3. Before breeding a male cat, the nutrition of the male cat should be ensured. Adequate nutritional intake can ensure the production of high-quality semen.

4. It is recommended that male cats be bred at most once a month. Frequent breeding of male cats will damage the physical health of male cats. Too many breedings will also lead to a decrease in sperm content in semen and reduce the chance of pregnancy in female cats.