BACKGROUND: In maternal trauma, the Kleihauer-Betke (KB) test has traditionally been used to detect transplacental hemorrhage (TPH), so that Rh-negative women could receive appropriate Rh immune ...

If a large feto-maternal hemorrhage is suspected, quantification of the number of fetal RBCs is performed by a Kleihauer-Betke test. Up to 5 vials of 300 mcg of RhIG can be given in one 24-hour ...