For cats that are pets, it is recommended to spay them before the first heat, eliminating the risk of accidental pregnancy and reproductive diseases later on in life. (thesprucepets.com)
Exposure to many hormone - disrupting chemicals starts in the womb, and some scientists suspect the timing may be important in determining reproductive disease risk later in life. (scientificamerican.com)
Once your cat has had her last litter, she should be spayed to reduce her chance of developing reproductive disease. (speedwayvet.com)