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This article was co-written by Sarah Gehrke, RN, MS. Sarah Gehrke is a Licensed Nurse and Massage Therapist in Texas. Sarah has over 10 years of experience teaching and practicing intravenous and intravenous (IV) surgical therapy using physical, psychological, and emotional support. She received her Massage Therapy License from the Amarillo Institute of Massage Therapy in 2008 and her MSc. College of Nursing at the University of Phoenix in 2013.
There are 10 references cited in this article that you can view at the bottom of the page.
This article has been viewed 139,062 times.
Maybe you need to know your blood type for medical reasons, to apply for a visa to go abroad or just to know more about your body. Fortunately, there are many ways to help you do this.
Steps
Determine your blood type at home
Blood group guess
Father O x mother O = son O
Father O x mother A = child A or O
Father O x mother B = child B or O
Father O x mother AB = child A or B
Father A x mother A = child A or O
Father A x mother B = child A, B, AB or O
Father A x mother AB = child A, B or AB
Father B x mother B = child B or O
Father B x mother AB = child A, B or AB
Father AB x mother AB = child A, B or AB
Blood types also include “Rh factor” (+ or -). If both parents have Rh- blood type (such as O- or AB-), you also have Rh- factor. If your parent has Rh+ factor, you won’t be able to tell if you have + or – factor without testing. [2] X Research Source
Common reasons you may have been tested for blood type include: [3] X Trusted Source National Health Service (UK) Go to source
- Pregnant
- Surgery
- Organ donation
- Blood transfusion
Be sure to follow the instructions when taking a blood smear. Make note of which tape (or vial of solution in some test kits) causes the blood to clot (stick) instead of spreading. Coagulation is a reaction to substances that are incompatible with your blood type. Once you’re done with all the cards or solutions, you can find your blood type by following the test kit instructions or by following these instructions: [4] X Research Source
Use a blood group test kit
Note that all at-home tests are less accurate than tests performed by a healthcare professional. Check the “Anti-A” and “Anti-B” tape for adhesion: Adhesion on Anti-A (on Anti-A only) means you have blood type A. Adhesion on Anti-B: you have blood type B. Stick on Anti-A and Anti-B: you are blood type AB.
Test the “Anti-D” tape: Adhesive: you are Rh positive. Add the + sign to your blood type. Non-adhesive: you are Rh negative. Add a – to your blood type.
Adhesive on contrp paper tape? If the contrp (plain paper) tape causes the blood to stick, or if you’re not sure which tape the blood is on, try a different card. [5] X Research Sources
Go to a medical facility
- Say “I want to know my blood type. Can you give me a blood test to find out my blood type?”
- You should call ahead of time to see if the medical facility will do this.
Often blood is not tested right away, so it may take a few weeks for them to mail or call you with the results.
Things to know before donating blood
Eligibility requirements: To donate blood, you must be 16 years old (most regions), be in good health, and weigh at least 50 kg. Medication use, low blood iron levels, and recent travel abroad can also disqualify you from donating blood. In addition, you cannot donate blood within 56 days from now. [6] X Trusted Source Red Cross Blood Donation Services Go to Source
Call ahead: Call the blood donation center first to make sure they will accept it.
- If you are in Canada, you can go to the official Canadian website for blood tests. Tim see where the next “What blood type?” event will be held. These are events organized regularly by the Canadian blood testing service. Results will be available immediately, and you will know your blood type. whether your blood type is common or rare, which blood groups you can receive and donate blood to. You will know about your ABO blood type and also the positive or negative RH factor.
Advice
- Besides your blood type, you should also get tested for RH (Rhesus) factor. If you have a blood test at the Red Cross or another professional organization, they will tell you your RH factor. This element is sometimes called D. You can be of type D+ or D- . For example, if blood agglutination occurs in zone A and zone D, the person has blood group A+.
- If you only know the blood types of your parents, you can draw a Punnett table to guess the heritability of each group. There are three corresponding genes that determine blood type: the dominant genes I A and I B , and the recessive gene i. [7] X Research Source If your blood type is O, you have genotype ii. If you have blood type A, your genotype could be I A I A or I A i.
- 39% of the population has blood type O+, 9% has blood type O-, 31% blood group A+, 6% blood group A-, 9% is B+, 2% is B-, 3% is AB+, and 1% is AB-. [8] X Research Sources
- Spreadsheets are not always correct. Don’t jump to conclusions immediately “Yes, I have blood type B-” or “So I have blood type AB+”.
Warning
- There is no evidence that blood type determines your nutritional needs or personality. [9] X Source of Research[10] X Source of Research Beware of these claims.
This article was co-written by Sarah Gehrke, RN, MS. Sarah Gehrke is a Licensed Nurse and Massage Therapist in Texas. Sarah has over 10 years of experience teaching and practicing intravenous and intravenous (IV) surgical therapy using physical, psychological, and emotional support. She received her Massage Therapy License from the Amarillo Institute of Massage Therapy in 2008 and her MSc. College of Nursing at the University of Phoenix in 2013.
There are 10 references cited in this article that you can view at the bottom of the page.
This article has been viewed 139,062 times.
Maybe you need to know your blood type for medical reasons, to apply for a visa to go abroad or just to know more about your body. Fortunately, there are many ways to help you do this.
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