A recent BBC documentary takes an in-depth look at the question. Are there more than the two designated genders?

The documentary takes an in depth look at the inter-sexed condition. Apparently they are as common as the birth of twins or even those born with red hair. (These stats. say 1/50 chance. The birth of of inter-sexed babies are more common than most are aware of. Due to the shame and stigma it is not admitted to by the parents.

I personally always wished I was born with obscure genitals as it would be physical proof when I argued against my designated maleness.