Cat pregnancy calendar & calculator
2. Pregnancy stages
21 days pregnancy: enlarged and pink nipples
50 days: first perceptible movements of kittens
65 days: expected date of childbirth
3. Kitten care dates
8 weeks: first vaccination of kittens
12 weeks: second vaccination of kittens
14 weeks: planned neutering of kittens
16 weeks: kittens can leave the cattery