Wiktionary
transplacental
a. (context anatomy physiology English) Through or across the placenta
WordNet
transplacental
adj. through or by way of the placenta; "transplacental passage of nutrients"
Wikipedia
Transplacental
Transplacental refers to the ability of a toxin or pathogen to cross the physical and biological barriers of the placenta separating the mother and fetus, to whom such substances may be dangerous. This would include, for example, HIV and the drug thalidomide.
Category:Obstetrics