An Rh - mother is given Rh immune globulin during her pregnancy. Rh immune globulin prevents formation of antibodies to Rh antigens. Explain why this is done.

It's necessary to prevent RhD isoimmunization in RhD negative mothers by using Rho (D) immune globulin (RhIG) shots. A single dose injected into the muscle or a vein do last a 12 week duration.

This medication can threat idiopathic thrombocytopenic purpura (ITP), a medical condition in

Rh positive.

To prevent erythroblastosis fetalis

Explanation:

The mother create a secondary immunity against the antigen ofnthe first. Leading to coagulation of the RBC of the new baby.