Question: RhIG is given to prevent immunization of the mother in which of the following cases, explain why you chose your answer. Need Assignment Help? a. Mom: O D-negative anti-D titer of 256 Infant: O neg b. Mom: AB D-negative (second pregnancy) Infant: B pos c. Mom: O D-positive (third pregnancy) Infant: O neg d. Mom: O D-negative (received RhIG at 28 weeks) Infant: O neg