Cat's Pregnancy Calculator

How long is a cat's pregnancy?

The gestation period for cats is about 63-65 days, and female cats can become pregnant when they are as young as 4 months old unless they are spayed to prevent this, so your cat can become a mother when she is as young as six months old.

What are the signs of pregnancy in cats?

You can tell that a cat is pregnant once her nipples darken and become enlarged. This usually happens in the third week of pregnancy. You may also notice your cat gaining weight, as pregnancy tends to cause significant weight gain in cats. A pregnant cat's belly becomes large 30 days after mating.