The Rh factor is a protein that can be found on the surface of red blood cells. If your blood cells have this protein, you are Rh positive. If your blood cells do not have this protein, you are Rh negative. During pregnancy, problems can occur if you are Rh negative and your fetus is Rh positive.
What blood type is Rh negative?
Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative. Rh positive is the most common blood type.
What are the 3 rarest blood types?
What's the rarest blood type?
- AB-negative (. 6 percent)
- B-negative (1.5 percent)
- AB-positive (3.4 percent)
- A-negative (6.3 percent)
- O-negative (6.6 percent)
- B-positive (8.5 percent)
- A-positive (35.7 percent)
- O-positive (37.4 percent)
