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Doctor insights on: What Does O Positive Blood Type Mean

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Dr. James Ferguson
Board Certified, Pediatrics
40 years in practice
144M people helped
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Is it possible to have both parents with o positive bloodtype, but their child have o negative blood type?

Is it possible to have both parents with o positive bloodtype, but their child have o negative blood type?

Yes: The rh factor is inherited through separate genetic means from the blood type. The rh factor is a dominant gene, meaning only one gene is needed to cause expression of the factor. So two rh + parents can have a rh+/rh- gene pattern and have a 1/4 chance with every conception of having an rh-/rh- baby, 1/4 chance of rh+/rh+ baby and 1/2 of carrier rh+/rh-. ...Read more

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Dr. Steven Seres
Board Certified
15 years in practice
413K people helped
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Blood Type O Positive (Definition)

Blood type O positive (Neither A or B blood type antigen is present, but there is Rh, ...Read more


Dr. Carla Enriquez
Board Certified, Adolescent Medicine
44 years in practice
19M people helped
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My blood type is o (positive) , does that mean I can only recieve o ( positive or negative) in case of an emergency?

My blood type is o (positive) , does that mean I can only recieve o ( positive or negative) in case of an emergency?

O Positive: O + blood type means you have the rh antibody. If you receive o negative blood, which has no rh antibody, you are ok. If you receive o+ blood, you're ok. But if you donate blood, there may be a problem to the recipient, if they have negative blood type. Any transfusion is preceded by a cross match wherein the two bloods are checked for compatibility to lessen the risk of transfusion react. ...Read more

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Dr. Steven Seres
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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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What does it mean when your blood type is o positive?

Blood donor: Your red blood cells can be transfused into almost any other person who is rh positive. It has no implications for your health. ...Read more

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Dr. Richard Bensinger
Board Certified, Ophthalmology
46 years in practice
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What does it mean if my blood type is o positive?

What does it mean if my blood type is o positive?

Antigens: You lack either the a or b antigens on your blood cells but do have rh positive antigen. It means you can donate blood to anyone who is rh positive irrespective of their blood type. There is no relationship of blood type to blood function or any aspect of health. ...Read more

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Dr. Steven Seres
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15 years in practice
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Dr. Gerard Honore
Board Certified, Fertility Medicine
23 years in practice
55M people helped
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What does it mean when you have a Android Body type? How does body wrk? Does blood type depends on how lose wt? Am O positive,WT:131,5'0

What does it mean when you have a Android Body type? How does body wrk? Does blood type depends on how lose wt? Am O positive,WT:131,5'0

Android/gynoid: Android body type refers to women whose waist/stomach is their largest body measurement; in contrast gynoid means a woman whose hips/buttocks are the largest measure. Android bodies "work" fine, but there some concern that the fat location confers higher risks of metabolic and cardiovascular disease. Your blood type O+ has nothing at all to do with weight and will stay the same for life. ...Read more

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
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Can two parents with o positive blood type make an a positive child? I've heard different answers

Using : Using the ABO blood typing system- two parents with type o blood would have a baby with type o blood. The baby may or maynot be rh positive. ...Read more

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Dr. Charles Zaroulis
Board Certified, Transfusion Medicine
50 years in practice
9K people helped
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Dr. Robert Kwok
Board Certified, Pediatrics
27 years in practice
10M people helped
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10
My blood type is o positive. My son is ab. What is my husband's blood type?

My blood type is o positive. My son is ab. What is my husband's blood type?

Cannot tell: If a mom has o+ blood type, and says her son is ab (meaning either ab+ or ab negative), there is not enough information to tell what blood type the mom's husband has. ...Read more

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Dr. Gregory Moneta
90 doctors shared insights

Blood Type (Definition)

Refers to the proteins present or not present on the surface of red blood cells. The types are a, ...Read more


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Dr. Steven Seres
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