Eight signs of cat pregnancy.

1. Weight: Cats will gradually get heavier during pregnancy, mainly due to the increase of fetal weight and amniotic fluid.

2. Breast enlargement: Pregnant cats will produce hormones, and the breasts will begin to swell after 4 weeks of pregnancy.

3. nipple color change: during pregnancy, the color of cat nipples will become darker than usual.

4. Increased appetite: Pregnant cats need more nutrition to support the healthy growth of the fetus, so they will increase their appetite during pregnancy.

5. Abdominal enlargement: In a few weeks after pregnancy, the cat's abdomen will gradually increase.

6. More frequent sleep: Pregnant cats need more rest and sleep to support the growth of the body and fetus.

7. Behavior change: Pregnant cats may show more intimate or independent behaviors, depending on their personality.

8. Continuous eye contact: Pregnant cats may make eye contact with their owners more frequently and show more emotions.