AskDocDoc
/
/
/
how many blood groups are there
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 : 59M : 39S
background image
Click Here
background image
Hematologic Diseases
Question #22102
145 days ago
261

how many blood groups are there

Sia

I am confused about something that’s been on my mind a lot lately. My mother had to get a blood transfusion last week after a surgery, and the doctor mentioned something about how many blood groups are there and it got me thinking. Like, I always thought there were just a few, but then he started talking about A, B, AB, and O, plus the Rh factor stuff, and I’m just like, woah, this is more complicated than I thought! I tried to do some research online but honestly, the info is kinda all over the place. Even in the hospital, they seemed to really focus on the blood type during her transfusion, so I’m like, how many blood groups are there actually? I mean, are there more than just the standard ones we learn in school? My friend mentioned something about rare blood types and honestly, it kinda freaks me out a little. What if I need a transfusion, or my kids do? Is there a simple way to figure out how many blood groups are there? Like, is it even something I should be worried about? I’d appreciate any clarity someone could give on this before I dive deeper into the rabbit hole of blood group science!

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

In human blood classification, we primarily talk about the ABO blood group system and the Rh factor, which are indeed the most clinically significant. In the ABO system, the blood groups are A, B, AB, and O. This is based on the presence or absence of antigens — A or B — on the surface of red blood cells. Then you have the Rh factor, which can be either positive or negative, leading to combinations like A positive, A negative, and so on. So, technically speaking, with both ABO and Rh, there are eight basic blood types. Beyond this, there are indeed other blood group systems too, over 30 recognized by the International Society of Blood Transfusion, but these are less commonly discussed. They include groups like Kell, Kidd, and Duffy, among others. These usually become important in cases of frequent transfusions or special medical conditions. Most transfusions focus on matching ABO and Rh because mismatches here can cause serious reactions. Regarding your concern about transfusions and rare types, it’s understandable, but blood banks track and manage rare blood groups too, ensuring safe transfusion practices. Knowing you and your family’s blood types can be helpful, especially in emergencies, but hospitals routinely perform comprehensive blood typing before transfusions to minimize risks. If you want more detail or are considering donation, a discussion with a healthcare provider could provide further insights tailored to your personal circumstances.

20599 answered questions
90% 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 to reduce inflammation in the body
Neurolymphomatosis or paraneoplastic syndrome?
एक 37 वर्षीय व्यक्ति के लिए, जिसका PT और INR सामान्य है, 64 का असामान्य APTT क्या दर्शाता है?
How to cure thyroid, because my body weight gain day by day?
Persistent fatigue, dizziness, fever, burning in feet/hands, headaches & body pain after past blood infection & treated TB—what could it be?
RBC count of 3.9 and always feel awfully tired. Kindly suggest what i should do ?
Concerns About Low Platelet Count and Associated Symptoms
Is a platelet count of 5.00×10^3/cumm normal?
Period 2 majine se nahi aay or fir aaya toh 15 din regular
Enlarged spleen size with portal vein is diated 16mm low platelate count
Comment regle le Problème d'absorption de fer
Would like to know about low ferritin levels
My mom hemoglobin is 19.5 .how to reduce hemoglobin
Why wbc are higher everytime are they normal
platelets count in my has been reduced to 60000
About Six pack abs They are ups & down
La causse de décroissance de fer de 5 a 1.94 après un traitement de 2 mois
खून बढ़ाने वाले फल
what if tlc count is high
how does blood clotting occur
हेमा मेडिकल सेंटर
what is blood group
haemophilia symptoms
हीमोग्लोबिन का स्तर कैसे बढ़ाएं?
क्या कम आयरन से चक्कर आ सकते हैं?
खून में हीमोग्लोबिन कैसे बढ़ाएं?
bone marrow transplant recovery
Paralysis from 5 months , which food is better for ryles tube
leukocyte count meaning
what helps in blood clotting