BLOOD
-Is the most precious gift that anyone can give to another person (the gift of life). A decision to donate your blood can save a life, or even several if your blood is separated into its components (red cells, platelets and plasma) - which can be used individually for patients with specific conditions.
-There are four basic types of blood (A, B, AB, and O) - each with a positive and negative sub-type. O positive is the most common type, with AB negative being the least common. The letter designation of the blood type indicates which antigens are present in the blood cell.
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-Mentioned before, there are four main blood groups (types of blood): A, B, AB and O. Your group is determined by the genes you inherit from your parents.
- Each group can be either RhD positive or RhD negative, which means your blood group can be one of the eight types.
-Red blood cells sometimes have another antigen, a protein known as the RhD antigen. If this is present, your blood group is RhD positive. If it's absent, your blood group is RhD negative. This means you can be one of eight blood groups:
> A RhD Positive (A+)
> A RhD Negative (A-)
> B RhD Positive (B+)
> B RhD Negative (B-)
> O RhD Positive (O+)
> O RhD Negative (O-)
> AB RhD Positive (AB+)
> AB RhD Negative (AB-)
In addition to these there is also the HH group. the peculiarity is that they do not express the H antigen. As a result they cannot form A antigens or B antigens on their red blood cells. Thus they can donate blood to anybody with ABO grouping but can receive blood only from Bombay Blood Group people. This blood phenotype was first discovered in Bombay, now known as Mumbai, in India (by Dr. Y. M. Bhende in 1952 hence the name Bombay Blood Group).
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WHY SHOULD WE DONATE BLOOD ?
( Safe Blood Saves Lives And Improves Health).
Blood Transfusion Is Needed For:
- Many complex medical and surgical procedures and cancer patients;
- People with severe trauma following man-made and natural disasters;
- Women with complications of pregnancy, such as ectopic pregnancies and haemorrhage before, during or after childbirth and;
- Children with severe anaemia often resulting from malaria or malnutrition.
It is also needed for regular transfusions for people with conditions such as thalassaemia and sickle cell disease and is used to make products such as clotting factors for people with haemophilia.
There is a constant need for regular blood supply because blood can be stored for only a limited time before use. Regular blood donations by a sufficient number of healthy people are needed to ensure that safe blood will be available whenever and wherever it is needed.
Blood is the most precious gift that anyone can give to another (the gift of life). A decision to donate your blood can save a life, or even several if your blood is separated into its components (red cells, platelets and plasma) - which can be used individually for patients with specific conditions.
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Why we should donate blood ?
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