Cat Pregnancy Due Date Calculator
Calculate your cat‘s due date with our pregnancy calculator. Estimate kitten arrival based on mating date.
Cat Pregnancy Timeline
| Week | Development | Signs |
|---|---|---|
| 1-2 | Fertilization and implantation | No visible changes |
| 3 | Embryos developing, nipples pinken | Nipples become pink ("pinking up"), slight appetite increase |
| 4 | Embryos 2-3cm, morning sickness possible | Possible vomiting, vet can confirm via ultrasound |
| 5 | Fetuses developing rapidly | Noticeable weight gain, belly expanding |
| 6 | Fetuses fully formed, growing | Significant belly size, increased appetite |
| 7 | Fur developing on kittens | Movement visible in belly, nesting behavior starts |
| 8 | Kittens in final position | Mammary glands enlarge, milk may appear |
| 9 (63-67 days) | Full term - birth imminent | Restlessness, nesting, temperature drop, labor begins |
How long is a cat pregnant?
Cat gestation averages 63-67 days (approximately 9 weeks), with most deliveries occurring around day 65. First-time mothers may deliver slightly later. If pregnancy exceeds 70 days, contact your vet immediately.
What are signs of labor in cats?
12-24 hours before: temperature drops below 100F, restlessness, nesting, loss of appetite. Active labor: contractions visible, vocalizing, first kitten typically within 1 hour of active pushing. Kittens arrive 15-60 minutes apart.
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