Some info on the why's and how's of spaying / neutering pets:
http://www.hsus.org/pets/pet_care/wh..._your_pet.html
http://www.bestfriends.org/theanimal...teryourcat.pdf
http://www.geocities.com/Heartland/P.../spaypage.html
If you have any questions about the process or it's relevance, please look through the links above. The overpopulation and resultant slaughter of cats and dogs in this country is reason enough to spay and neuter.