Anti-D immune globulin is administered to Rh-negative women antenatally at
The antepaum administration of anti-D immune globulin at 28weeks to Rh-negative women decreases the incidence of third-trimester alloimmunization from 18 to 20/1000 to 2/1000 patients.Reference: Practical guide to High-risk pregnancy and delivery; Chapter 14; Rh Alloimmunization
20weeks
24weeks
28weeks
30weeks
Medical, surgical and gynaecological illness complicating pregnancy