Assertion: antigen's antibody | /r/CapableOf | cross the placenta
Facets:
Source sentences:
text: Once a mother's blood is sensitized, the antibodies her body produces in response to the Rh antigen can cross the placenta and attach to the red blood cells of any Rh-positive fetus that she carries.
text: However, if the mother is to have a second child with an RH+ trait as well, the antibodies in the mother will cross the placenta and attack the child.