BLOOD TYPES
How do you know what type of blood you have? There are marker molecules attached to red blood cells. These markers determine blood type.
ABO blood groups
There are four types of blood —A
B
Importance of blood type
If you ever need a blood transfusion
you only will be able to receive certain blood types
Rh factor
Another marker found on the surface of red blood cells is called the Rh factor. The Rh marker can cause a problem when an Rh-negative person
someone without the Rh factor
The Rh factor can cause complications during some pregnancies. If the Rh-positive blood of a fetus mixes with the mother’s Rh-negative blood
the mother will make anti-Rh antibodies. If the mother becomes pregnant again
BLOOD TYPES
How do you know what type of blood you have? There are marker molecules attached to red blood cells. These markers determine blood type.
ABO blood groups
There are four types of blood —A
B
Importance of blood type
If you ever need a blood transfusion
you only will be able to receive certain blood types
Rh factor
Another marker found on the surface of red blood cells is called the Rh factor. The Rh marker can cause a problem when an Rh-negative person
someone without the Rh factor
The Rh factor can cause complications during some pregnancies. If the Rh-positive blood of a fetus mixes with the mother’s Rh-negative blood
the mother will make anti-Rh antibodies. If the mother becomes pregnant again
BLOOD TYPES
How do you know what type of blood you have? There are marker molecules attached to red blood cells. These markers determine blood type.
ABO blood groups
There are four types of blood —A
B
Importance of blood type
If you ever need a blood transfusion
you only will be able to receive certain blood types
