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Goddess Forever
Posts: 316
Reply with quote  #1 

I have been thinking over my health history of the last 5 years and had a quick question for you.

I was pregnant in 2002 and miscarried. The doctor thought my blood type was A-. So, when I had my D & C done, they gave me a shot of rhogam.

However, after all this, they discovered that I was NOT A-, I am in fact A positive.

Was this a concern at all in my overall health? I was diagnosed with breast cancer in 2003, my thyroid cancer in 2006, and then my recurrent breast cancer in 2007.

I doubt this is related, but it kind of popped into my head today and I thought I would ask the question.

Cancer is a word, not a sentence

Chief of Research
Posts: 1,129
Reply with quote  #2 


There is some highly provisional evidence, the most recent from MD Anderson researchers, of an association between ABO blood groups, in particular Blood Type A (any form), and familial breast cancer, although they went on to conclude that the effect of this blood type A on breast cancer risk was too small to be of use in identifying women at high risk. But in the balance, the evidence of clinically relevant impact and/or association is weak and it has to be remembered that ABO genes are distributed differently among socioeconomic groups and it's already known that socioeconomic status is one of the risk factors for disease and compromised health in general, so we have some potential confounding so the evidence for relevance of ABO blood group status to breast or thyroid carcinoma (or indeed to any human cancer) must at this time be judged insufficient.

Constantine Kaniklidis
Breast Cancer Watch

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