How Long Is A Cat Pregnant?
QUICK ANSWER
Cats are pregnant for approximately 63 to 65 days (about 9 weeks). The pregnancy progresses quickly, and signs may not be obvious until the last 2 to 3 weeks. Litter sizes range from 1 to 12 kittens, with 4 to 6 being average. A veterinarian can confirm pregnancy via ultrasound as early as 3 weeks.
Cat pregnancies are short, relatively uncomplicated, and can catch owners by surprise if they didn't realize their cat was even pregnant. Here's the timeline from conception to delivery.
What's the gestation period?
The average feline gestation is 63 to 65 days from the day of ovulation. Since cats are induced ovulators (they ovulate in response to mating), the timing is fairly consistent once mating has occurred. A normal range of 58 to 70 days is possible, with deliveries outside that window warranting veterinary attention. Your vet can confirm pregnancy via ultrasound around days 21 to 25, and an X-ray after day 42 can count the number of kittens.
What happens during each stage?
Weeks 1 to 3: Embryos implant in the uterus. Few outward signs; your cat may have mild morning sickness or a slight decrease in appetite. Weeks 3 to 5: The vet can confirm pregnancy. Nipples become pinker and more prominent ("pinking up"). Appetite increases. Weeks 5 to 7: The belly becomes noticeably larger. Weight gain is significant. The cat may become more affectionate or seek more rest. Weeks 7 to 9: Rapid fetal growth. The belly is obviously rounded. The cat begins nesting behavior (seeking out quiet, enclosed spaces). Mammary glands enlarge as they prepare for nursing. In the final days, you may be able to see and feel the kittens moving.
How do I know labor is starting?
About 24 hours before labor, the cat's rectal temperature drops from the normal 101 to 102°F range to around 99°F or below. Other signs include restlessness, nesting in her chosen spot, loss of appetite, increased vocalization, licking of the genital area, and visible contractions. The first kitten is usually born within 1 to 2 hours of active labor, with subsequent kittens arriving every 15 to 60 minutes. If more than 2 hours pass between kittens or if the queen is straining for more than an hour without producing a kitten, call your vet.
What care does a pregnant cat need?
Gradually transition her to a high-quality kitten food during the last third of pregnancy (it provides the extra calories and nutrients needed for fetal growth and eventual nursing). Keep her indoors and in a calm environment. Prepare a nesting box in a quiet, warm location. Avoid vaccinations during pregnancy unless specifically recommended by your vet. Schedule a prenatal checkup to confirm healthy pregnancy progression and plan for any potential complications.
Cat pregnancy moves fast. Nine weeks from conception to kittens, with most of the visible changes happening in the last third. Good nutrition, a safe nesting space, veterinary support, and knowing the signs of labor are all you need to be prepared.
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