It is determined that a client's blood Rh is negative and her partner's is positive. To help prevent Rh isoimmunization, the nurse would expect to administer Rho(D) immune globulin at which time?

C At 28 weeks gestation and again within 72 hours after delivery A 24 hours before delivery and 24 hours after delivery D At 32 weeks gestation and immediately before discharge B In the first trimester and within 2 hours of delivery