Petite women's self defense...

I'm interested in taking some sort of self defense classes like krav maga or kick boxing but the one concern I have is my height. I'm 5'3" but very athletic (i'm a dancer). Most classes teach to hit the eyes, nose, neck, or ears but chances are if a guy is attacking I'll be way too short to hit any of those places before he intercepts it. The only lower areas are the groin and knees but most guys are prepared for groin kicks. Does anyone know of any classes that would be especially helpful in my situation or any techniques or places to hit? Thanks in advance
Petite women's self defense...
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