An Rh-negative woman has just delivered an Rh-positive infan…

An Rh-negative woman has just delivered an Rh-positive infant and has a positive FMH screening test. A Kleihauer-Betke test is done and in 2000 total cells counted, 10 fetal cells are detected. The woman has a blood volume of 5000 mL. How many vials (300ug) of RhIg should she receive? The formula to calculate fetal bleed is: (Number of fetal cells X Maternal blood volume) / Number of cells counted = mLs of fetal blood