Description : What is rh blood type?
Last Answer : Rh is an antigen. If you have the antigen, your blood type is A+, B+, AB+, or O+. If you don't have the antigen, your blood type is A-, B-, AB-, or O-. People WITH the ... in contact, the Rh- will produce antibodies towards Rh+, and at the second contact with the blood, will cause agglutination.