Assertion: hemolysis's effect | /r/AtLocation | first pregnancies
Facets:
value: for rh-d mediated disease
type: PURPOSE
Source sentences:
text: During the first pregnancy, the initial exposure to fetal RBCs results in the formation of IgM antibodies, and these do not cross the placental barrier, which is why no effects are seen in first pregnancies for Rh-D mediated disease.