Which is incorrect with regards to anti D?

• A. it is given IV
• B. The Kleihauer test is done to determine to quantify the fetomaternal hemorrhage and thus the amount of anti D required
• C. If the mother s serum has antiD antibodies detected in her serum at 24-48 hours after injection then the dosage is adequate
• D. If given from 3-10 days after fetomaternal transfusion is still has some effect
• E. 1ml protects against 6ml of fetal RBC s