The Highs and Lows of Air Pressure Air near the surface flows down and away in a high pressure system (left) and air flows up and together at a low pressure system (right). Credit: NESTA
A female cat can get pregnant when sheâs as young as 4 months old, unless sheâs been spayed to prevent that. Queens can keep going into heat every 2 to 3 weeks from the spring through the early fall, making them ready to reproduce more often than not. A catâs pregnancy lasts about 63-65 days.
Gestation. The first step in determining when a cat is going to give birth is having an awareness of a typical queen gestation period. In general, cats are pregnant with their litters for just over two months -- or roughly 63 days, give or take a few.