Cat Pregnancy Calculator

Heat cycles stop. Nipples enlarge/redden (week 3–4). Abdomen enlarges (week 4+). Nesting behavior (week 8). Ultrasound confirms by day 11 post-conception.

Veterinary exam, good nutrition (extra protein/calories), relaxed environment, warm nesting box. Monitor for complications: no food > 12 hrs before due date = emergency.

Prolonged labor (> 2–4 hrs between kittens), straining without birth, green discharge = emergency. Post-birth: retained placenta, lack of milk, rejected kittens. Call vet.