Foetal red blood cells (Kleihauer)
Free circulating anti-D
*
in maternal blood
Action
0
No
2
nd
Injection
0
Yes
No 2
nd
injection
Yes
No
Assess FMH Inject appropriate dose
Yes
Yes
Assess HMH at 48 h
*IAT tube method in phosphate buffered saline
Table 1:
After an initial injection of RhIG, when a second one should be injected?
