AskDocDoc
/
/
/
how many types of blood group
FREE!Ask Doctors — 24/7
Connect with Doctors 24/7. Ask anything, get expert help today.
500 doctors ONLINE
#1 Medical Platform
Ask question for free
00H : 20M : 56S
background image
Click Here
background image
Hematologic Diseases
Question #22124
77 days ago
133

how many types of blood group - #22124

Aditi

I am really confused about blood types!! I always thought there were just a couple until my doctor threw all this info at me during my last check-up. I mean, I had to get blood work done coz I've been feeling kinda run-down, and my friend who always tries to help said maybe it’s related to blood groups. She swears she read somewhere there's a ton of different ones — like how many types of blood group are there really? I asked my doc about it and he mentioned something about A, B, AB, and O, but then he started talking about positive and negative factors and honestly, I was lost. Are those counted too or are they separate? Anyway, I got my blood type tested and it turns out I’m O positive, but I’m wondering like, does that mean anything more? Like how many types of blood group affect compatibility for transfusions? And if I'm O positive, does that mean I can only receive certain types or am I good with all? Any clarity on how many types of blood group there really are would be super helpful, and someone mentioned something about rare blood types too — is that real? Just trying to wrap my head around all this! Thanks!

FREE
Question is closed
FREE! Ask a Doctor — 24/7,
100% Anonymously
Get expert answers anytime, completely confidential.
No sign-up needed.
CTA image asteriksCTA image

Doctors' responses

There are indeed several types of blood groups, and it can get a bit overwhelming. The main blood group system most people are familiar with is the ABO system, which includes four primary types: A, B, AB, and O. When we refer to these, we’re talking about the presence or absence of certain antigens on the surface of red blood cells. So when you hear A or B, it’s about these antigens specifically. But that’s not all—there’s also the Rh (Rhesus) factor to consider, which is where the positive or negative comes in. This factor is a separate antigen, so if you have it, like you do in O positive, it means you’re Rh-positive. If you don’t, you’re Rh-negative.

Now to dive deeper into blood type compatibility, O positive is indeed a bit special. As an O positive, you can donate blood to any Rh-positive patient (regardless of their ABO group) but you can only receive O positive or O negative blood. This is because O blood doesn’t have A or B antigens that could cause a reaction; however, since you are Rh-positive, you can safely receive Rh-positive blood. People with O negative are considered universal donors, especially in emergency settings, because their blood can be given safely to any patient regardless of their blood group. But in terms of receiving blood, O negatives can only receive from other O negatives.

Beyond the ABO and Rh systems, there are indeed other, rarer blood group systems (like the Kell, Duffy, Kidd, etc.), making up a complex map of the human blood types. These are usually considered when there’s a persistent need for transfusions, such as in certain medical conditions, but for typical transfusions, ABO and Rh are the main considerations. Rare blood types do exist, which may be less prevalent in the general population, making them precious for those who share them and might need specialized donations. It’s a fascinating and vital aspect of medicine, considering the importance of matching blood types correctly to avoid adverse reactions during transfusions. Let me know if you have any more questions!

19191 answered questions
91% best answers
Accepted response

0 replies
FREE! Ask a Doctor — 24/7,
100% Anonymously

Get expert answers anytime, completely confidential. No sign-up needed.

About our doctors

Only qualified doctors who have confirmed the availability of medical education and other certificates of medical practice consult on our service. You can check the qualification confirmation in the doctor's profile.


how many type of blood
food for increasing hemoglobin
which is the best blood group
which is the common blood group
Paralysis from 5 months , which food is better for ryles tube
to increase hemoglobin
how is a bone marrow transplant done
bone marrow transplant recovery
Bruising causes
platelets count in my has been reduced to 60000
how to increase haemoglobin
how to increase hemoglobin level quickly
ACTUALLY WHAT IS MY DISEASE, IS IT FATTY LIVER OR LIVER CRROHSIS
which fruit increase hemoglobin
bone marrow operation
blood clot in brain is called
what are the different types of blood groups
blood thickness causes
Persistent fatigue, dizziness, fever, burning in feet/hands, headaches & body pain after past blood infection & treated TB—what could it be?
causes of blood thickness
which is the strongest blood group
coconut water platelets
Concerns About Low Platelet Count and Associated Symptoms
what is haemogram
white blood cells types
which is the most common blood group
hemoglobin level increase food
Why wbc are higher everytime are they normal
bansal blood bank
La causse de décroissance de fer de 5 a 1.94 après un traitement de 2 mois
bone marrow types
what causes black blood
anemia day
My mom hemoglobin is 19.5 .how to reduce hemoglobin
blood increasing fruits
how to increase hemoglobin level
How to cure thyroid, because my body weight gain day by day?
food to increase hemoglobin
how to increase hb level
how to prevent anemia
Would like to know about low ferritin levels
bone marrow treatment
THISISTESTQUESTION TEST TEST TEST TEST
fruits to increase hemoglobin
Is a platelet count of 5.00×10^3/cumm normal?
normal total leukocyte count
hemoglobin increase fruit
Paralysis from 5 months, which food is better for ryles tube feeding and which food is better for nutrition
bone marrow transplantation
how many types of blood group are there
Neurolymphomatosis or paraneoplastic syndrome?
thalassemia minor symptoms
bone marrow transplant recovery
how to improve hb level
prevention of anaemia
About Six pack abs They are ups & down
Period 2 majine se nahi aay or fir aaya toh 15 din regular
which blood group is most common
what if tlc is high
how to increase haemoglobin level
how to increase the hemoglobin by home remedies?
causes of haemophilia
blood thickening reasons
how to increase hemoglobin in blood
how does blood clotting occur
mcv ent city clinic
Enlarged spleen size with portal vein is diated 16mm low platelate count
how to improve haemoglobin
hemoglobin fruits
if hemoglobin is low what to eat
Can I take creatine even if I have spleenomegaly
can low iron cause dizziness
anemia prevention
which blood group is best
hemoglobin food items
haemoglobin how to increase
what is a blood group
cause of haemophilia
Can I take creatine even if I have spleenomegaly
Comment regle le Problème d'absorption de fer
How to reduce inflammation in the body
blood cancer symptoms
blood increase vegetables
hema medical centre
bone marrow transplant procedure
how to increase hemoglobin naturally
does coconut water increase platelets
can vitamin b12 deficiency be a sign of cancer
what is blood group
what to drink to increase hemoglobin
how many blood groups are there
RBC count of 3.9 and always feel awfully tired. Kindly suggest what i should do ?
fruits that increase hemoglobin
what if tlc count is high
bone marrow surgery
thalassemia carrier symptoms
to increase hemoglobin what to eat
how to increase hemoglobin in body
to increase haemoglobin
which blood group is common