Recognized and registered pitbull breeds in USA:
American Pit Bull Terrier - ADBA/UKC
American Staffordshire Terrier - AKC
Staffordshire Bull Terrier - AKC/UKC
And a hell of a lot of mixing between them and with everything under the sun.
Gomes, do you have a paper trail that says your dog is a registered AST? She is very untypical and really more APBT