1, the number of kittens born by cats is related to the physical quality and litter size of cats. 2. If a cat is pregnant for the first time, the number of kittens born will be relatively small, generally around 1 to 3. 3. Secondly, if cats are healthy, the number of cats born at a time is about 2 to 6, and some cats can even give birth to 8. 4. If the owner wants to know the number of pregnant cats, he can wait until the cats are pregnant for about 30 to 45 days and take them directly to the pet hospital for B-ultrasound and X-ray examination to check the development, heartbeat, fetal position and fetal number of cats. 5, you can also judge the expected date of delivery of the cat through fetal development, and help the owner prepare for delivery in advance. 6. Feed the cat with some foods with high nutritional value in time during and after the production to help it quickly recover the energy needed by the body.