Purina Cat Chow: How Can You Tell When a Female Cat is Pregnant?
- Answers the questions: How can you tell when a female cat is pregnant? And should I be able to “feel” the babies and would the pregnant cat want to be held or be tolerant of others?
- http://catchow.com/catcarecenter_physical3.aspx?combinedID=20759

Animal Planet: Pregnancy and Birth
- Explains pregnancy in cats including prenatal care and kitten time.
- http://animal.discovery.com/guides/cats/catcare/pregnancyintro.html