Blood group💉||Blood types 2022 in simple language|video|Slideshow determined genes #bloodvideo#blood
Channel: Doctor sim Sim
Date: 2020-12-07

BLOOD GROUP ||BLOOD TYPES 💉💉

✒There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents.
Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups.
The ABO system

✒There are 4 main blood groups defined by the ABO system:

••blood group A – has A antigens on the red blood cells with anti-B antibodies in the plasma
••blood group B – has B antigens with anti-A antibodies in the plasma
••blood group O – has no antigens, but both ••anti-A and anti-B antibodies in the plasma
••blood group AB – has both A and B antigens, but no antibodies

The Rh system
✒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 1 of 8 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-)

Pregnancy
✒Pregnant women are always given a blood group test. This is because if the mother is RhD negative but the child has inherited RhD-positive blood from the father, it could cause complications if left untreated.
RhD-negative women of child-bearing age should always only receive RhD-negative blood.

Read more about Rhesus disease.

Giving blood
✒Most people are able to give blood, but only 1 in 25 people actually do. You can donate blood if you:

are fit and healthy

weigh at least 50kg (7st 12lb)

are 17-66 years old (or 70 if you've given blood before)

are over 70 and have given blood in the last 2 years

Read more about who can give blood.

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