Transplacental
ahd-5
adjective.
Passing through or occurring across the placenta.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Through or across the
placenta
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
occurring through or by way of the placenta
Word Usage
"In Fisk NM, Moise KJ (eds): Fetal therapy: invasive and transplacental."
Equivalent
placental