A NEG BLOOD WITH RH FACTOR

HAS ANY ONE HAVE ANY INFORMATION ON A NEG BLOOD WITH RH FACTOR. WHEN YOU HAVE A CHILD THAT HAS A DIFFERENT BLOOD TYPE THAN THE MOTHER THAT HAS A NEG WITH RH FACTOR. A SHOT HAS TO BE GIVEN TO THE MOTHER OR THERE IS A CHANCE HER NEXT CHILD COULD HAVE BIRTH DEFECT. BUT , WHAT I DIDN'T KNOW WAS THAT THE INJECTION IS MADE UP OF PART BLOOD AND OTHER THINGS. SHE HAD HER CHILD IN THE LATE 70'S AS I DID AND THAT WAS BEFORE THEY TESTED THE BLOOD.HAS ANY ONE ELSE HAD THIS HAPPEN OR KNOW ANY THNG ABOUT IT.I GUESS I SHOULD AD THAT THIS IS THE WAY SHE WAS EXPOSED TO HEP-C. AS NOW I BELEIVE I WAS.