transplacental
trans·pla·cen·tal
adj \ˌtran(t)s-plə-ˈsent-əl\Definition of TRANSPLACENTAL
: relating to, involving, or being passage (as of an antibody) between mother and fetus through the placenta <transplacental immunization>
—trans·pla·cen·tal·ly \-əl-ē\ adverb








