Between 58 and 65 days
Early In The Pregnancy: Gestation or the length of pregnancy of a cat averages 64 days. It is generally between 62 and 67 days or about 9-10 weeks. You might notice subtle indications of pregnancy after the first 3 weeks. The cat’s nipples will begin to swell and their color will change from white to a rosy pink. Gestation or the length of pregnancy of a cat averages 64 days. It is generally between 62 and 67 days or about nine or ten weeks. When litters are large, length is often less. When litters are small, the length of the pregnancy may increase. Pregnancy lasts approximately 9 weeks (63 days) in the cat. However, it is not possible to detect pregnancy during the first 3 weeks. An experienced veterinarian may be able to palpate or feel the fetuses in the uterus of a relaxed cat, as the optimal time for pregnancy palpation is about 28-32 days of pregnancy. How long does pregnancy last and how many kittens will by cat have are two of the most common questions cat owners have. The regular gestation period for cats is between 58 and 65 days, or approximately 9 weeks. A queen (pregnant cat) may have anywhere from 1 to 8 kittens at a time. The average being 2 to 5 kittens.
http://www.2ndchance.info/felinelabor.htm http://www.2ndchance.info/pregnantcatcare.htm http://www.vcahospitals.com/main/pet-health-information/article/animal-health/estrus-cycles-in-cats/5635 http://www.best-cat-tips.com/cat_pregnancy.htm
how long does a cat pregnancy last