The Genetics of Blood Type

Why is my blood type important? If you ever need a blood transfusion,youshould be given blood that isyour same blood type.Youcan become verysick ifyou are given blood that is a different blood type unless it isOblood, whichwill not causeharmto peoplewhohaveotherblood types. I am Rh negative. What does this mean for my pregnancy? ................
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