 [ Symptoms ] what makes a blood type rare  my blood type is a  rh+ what does this mean exactly is this considered a rare blood type in a pre op work up is when it was caught and the labdr freaked a bit i was never told the significance of this information other than getting pregnant would be next to impossible please help [ Disease ] hi here is something from the uk is nhs it may help you understand your problem a bit better ok <link> just copy link into google to the www to open and read your find it very interesting good luck