Koxka, Auggie (my cats name) is female.
Don't worry! Male calicos are extremely rare (only one in about 3,000 tricolered cats are males). Most likely they are sterile, but I don't know of any health problems that would shorten there live span.

http://members.tripod.com/SunnyPaws/calico.html
http://www.vin.com/PetCare/Articles/...n/PCF00795.htm