Final answer:
RhoGAM is a drug used to prevent an immune response to Rh-positive blood in Rh-negative mothers. It is given at 72 hours postpartum to protect future Rh-positive babies. Administered as an intramuscular injection, RhoGAM helps decrease the incidence of hemolytic disease of the newborn (HDN).
Step-by-step explanation:
RhoGAM, also known as Rh immune globulin, is a drug used to prevent an immune response to Rh-positive blood in individuals with an Rh-negative blood type. It is typically administered at 72 hours postpartum through an intramuscular injection. RhoGAM is given to Rh-negative mothers to prevent the development of Rh antibodies, which could harm future Rh-positive babies.