How Long Are Cats Pregnant? A Week-by-Week Guide to Feline Gestation
If your unspayed cat is looking rounder than usual, the clock may already be running — and feline pregnancy moves fast. By the time most owners notice anything, the queen is often a third of the way through. This guide covers how long cat pregnancy lasts, why due dates are hard to pin down, what happens week by week, and the labor warning signs that mean it's time to call a veterinarian. How Long Are Cats Pregnant? Cats are pregnant for about 63 to 65 days — roughly nine weeks, or a little over two months. Births anywhere from about day 61 to day 70 are generally treated as within normal limits, and veterinary sources report an even wider spread across individual cats. The Merck Veterinary Manual puts queening at 64 to 66 days from the hormone surge that triggers ovulation — the most precise measure, but one that is invisible at home. Question Answer Average gestation 63–65 days Commonly cited normal range About 61–70 days In weeks Roughly 9 weeks Average litter size About 4 kit...