Basics of Pregnancy and Birth in the Cat
Once a cat has been successfully mated, it takes up to two weeks for the fertilized egg to reach and implant itself in the uterine wall. Pregnancy takes an average of 63 days.
To check if your queen is indeed pregnant, feel her abdomen for “lumps,” which are the individual fetuses, from three to four weeks after pregnancy. Your veterinarian can do an ultrasound within two weeks of pregnancy. The individual heartbeats …