About RH
Incompatibility
Understanding blood type compatibility is crucial for safe blood transfusions and pregnancy planning. Use our interactive checker to see which blood types you can donate to and receive from.
Blood Type Compatibility Checker
Select your blood type to see donation and receive compatibility
Understanding Rh Factor
The Rh factor is a protein that can be present on red blood cells. If you have the protein, you're Rh positive (+). If not, you're Rh negative (-). This is crucial during pregnancy when an Rh-negative mother carries an Rh-positive baby.
Can cause hemolytic disease in newborns if not properly managed
Critical for emergency transfusions and surgical procedures
Universal Donors & Recipients
Some blood types are more versatile than others in emergency situations:
Universal Donor
Can donate to all types
Universal Recipient
Can receive from all types
Most Common
37% of population
Second Most
35% of population