There seems 2 be a small round spot on my pubic area where hair doesn't grow.just skin.is that bad? why would there be a 'bald' spot on my pubic hair?

Possible infection: If these are new then you may have a fungal infection on the skin that is causing the hair to fall out. If so, this can be treated with a cream prescribed by your doctor.

Alopecia Areata: Alopecia areata is an acquired skin disease that can affect all hair-bearing skin and is characterized by localized areas of non-scarring hair loss. Alopecia areata, as a rule, is rarely associated with any other external or internal medical problems. Most often these bald areas regrow their hair spontaneously. Intralesional cortisone is helpful to cure this disorder.