Blood Group & Rh Typing Test

Do I need to repeat this test in the future?

No — your blood group and Rh factor are fixed from birth, so once confirmed by a reliable lab, the result applies for life. Hospitals typically re-verify it before any transfusion purely as a safety check.

What does Rh-negative mean for pregnancy?

If an Rh-negative mother is carrying an Rh-positive baby, her immune system can develop antibodies against the baby's blood cells. This is managed with an anti-D (RhoGAM) injection at specific points during pregnancy to prevent complications.

Which blood type is the universal donor?

O-negative blood is considered the universal donor type because it lacks the A, B, and Rh antigens that could trigger a reaction in most recipients, making it especially valuable in emergencies.

Can my blood type change over time?

No, your ABO and Rh blood type is genetically determined and remains constant throughout your entire life.