placento-, placent-, placenta-

(Latin: flat cake; cakelike mass, especially the uterine organ that connects the mother to the child by way of the umbilical cord)

fetoplacental (adjective), more fetoplacental, most fetoplacental
A reference to the fetus and the placenta: The fetoplacental circulation involves the umbilical cord and the blood vessels inside the placenta.
incarcerated placenta, retained placenta (s) (noun), incarcerated placentas, retained placentas (pl)
The incomplete separation of the placenta and its failure to be expelled at the usual time after the delivery of a child.
placentotherapy
Treatment with the use of an extract of placental tissue.
thermoplacentography
Now considered an obsolete method for determination of placental position by detection of infrared rays from the large amounts of blood flowing through the placenta.
zonoplacental
Having a zonary placenta; that is, placenta with villi arranged in a band or girdle. Villi refers to a tiny finger-like or vascular (blood-vessel) projections.