For people who are downvoting me and are either too lazy to talk to a doctor or use Google: Fine, here are some links. Please educate yourselves about simple biology you should have learned in school.
https://www.quora.com/Scientifically-how-many-sexes-genders-...
http://www.nytimes.com/1993/03/12/opinion/how-many-sexes-are...
https://en.wikipedia.org/wiki/Intersex