Final answer:
The primary purpose of Rho (D) immunoglobulin is to prevent Rh incompatibility in pregnancy.
Step-by-step explanation:
The primary purpose of Rho (D) immunoglobulin is c) Preventing Rh incompatibility in pregnancy.
Rho (D) immunoglobulin, also known as RhoGAM, is a drug that is administered to Rh-negative mothers during pregnancy or after childbirth. It is used to prevent Rh incompatibility, which can occur when an Rh-negative mother carries an Rh-positive baby. The drug works by destroying any fetal Rh-positive red blood cells that may have entered the mother's bloodstream, preventing the mother from developing antibodies against the baby's blood cells.
This preventive treatment has been successful in reducing the incidence of Hemolytic Disease of the Newborn (HDN) caused by Rh incompatibility.