What you need to know about blood types


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what you need to know about blood types.

Everyone’s blood has the same basic components but there are other components that differ from person to person. These components group blood types into eight main blood groups. Inherited genes you get from your parents help determine your blood group. You could get a different blood type from your parent, you need to test to know your blood type. Read on to get enlightened.

Blood components:
The blood contains different kinds of cells that carry out different functions:

– red blood cells: red blood cells carry oxygen to different parts of the body and take out carbondioxide from different parts of the body.

– White blood cells carry out immune functions by destroying invaders and by fighting infections

– platelets: they help carry out blood clothing function.

Plasma is where all these cells are in, it also contains proteins and salts.

Why do different people have different blood types?

Different combination of protein molecules make differentiation of blood groups possible. These proteins are called antigens and anti bodies. Antibodies are found in the plasma while antigens are found on the surface of the red blood cells.
Antibodies carry out immune function, they are part of the body’s natural defence system, they recognise foreign substances in the body e.g germs, which alerts your immune system which now destroys these foreign substances.

The ABO blood group system:

There are four major blood groups and eight different blood types. The groups are based on the presence or absence of two antigens: antigen A and Antigen B

Group A: in this group, only antigen A is present and this group has B antibody

Group B : in this group, only antigen B is present and this group has A antibody

Group AB : in this group, both antigen A and antigen B are present and this group neither has antibody A nor antibody B (none of the antibidies are present)

Group O : in this group, neither antigen A nor antingen B are present ( none of the antigens are present) and this group has both antibody A and antibody B ( both antibodies are present)
Now, there is a third antigen: the rhesus D antigen commonly known as the Rh factor or the rhesus factor. This antigen can either be present i.e you have this antigen making your blood type “RH+” ( RH positive) or the antigen can be absent i.e you don’t have this antigen making your blood type “RH-” (RH negative)

So, from the four blood groups, there are eight blood types:

– A positive or A negative

– B positive or B negative

– AB positive or Ab negative

– O positive or O negative.

If you don’t know your blood group, you can find out by yourself using this blood type test home kit

Why does this even matter?

A long time ago, before the discovery of the different blood groups, people were dying from blood transfusions. This was because mixing blood of different types caused clumping which is fatal. Clumping occurs due to antibodies present in the receiver’s blood fighting against the cells in the blood of the donor.
To carry out a safe blood transfusion, it is important for the donor and recipient to have blood types that match. The blood of donors and the blood of receivers don’t always have to match exactly, they just have to be compatible. The best blood type to donate: the blood type considered to be the safest blood type is type O. It is considered the safest in an emergency or when there is shortage of the exact blood type. However, it is also important to know your blood type in case of emergency. There are so many possible emergency blood transfusions,

The most common Rh is Rh+, If you are Rh- and your baby is Rh+, during pregnancy, your blood may mix with your baby’s blood (this does not usually happen but it can happen).This will make your body activate the body’s defence mechanism and your body will sense your baby’s blood as “foreign” or “invader”, due to this, your body may produce antibodies, this will not affect your first pregnancy but it will affect the next pregnancy (if you are Rh- and your baby is Rh+). During your next pregnancy, these antibodies can cross the placenta and these antibodies can destroy your baby’s red blood cells, the antibodies may destroy the baby’s red blood cells faster than the baby’s body can replace them causing anaemia. This can be life-threatening and can also lead to other problems. Now there are different ways to prevent this, pregnant women usually require a screening test. If you are Rh-, you will need an injection during your first trimester to prevent the production of antibodies, if you baby is Rh-, no more injections and tests, if your baby is Rh+, you may need another injection after birth. The first step is testing to know your blood type.
Note: If you are RH-, and you have started producing antibodies during your first trimester, your baby’s health needs to be closely monitored and your baby may need a blood transfusion during the pregnancy or after delivery. Please consult your doctor for more information.

Summary: In pregnancy, if the mother is Rh- and the child is Rh+ , it can lead to complications.

Blood diet, does it work?: This diet involves eating groups of foods or specific foods according to your blood type. Though some people follow this diet, according to healthline.com , experts say that there is not enough scientific evidence to support the blood diet. Due to the restrictions in the blood diets, some weight may be lost. That being said, we have a healthy diet and lifestyle program you can follow, that is not a fad or crash diet, it is a long term diet designed by experts. You can start today!



Knowing your blood type is very importnat. It is important brcause of emergencies, pregnancies and so much more. You could save your life today or your child’s life by simply testing to know your blood type. We recommend using this at home blood type test kit.

let us know what you think about the different blood types. what is your blood type? Have you ever tried the blood diet?


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