Synthesis of progesterone by the placenta of a marsupial.
D000818:Animals; D005260:Female; D066298:In Vitro Techniques; D007614:Macropodidae / Q000378:metabolism*; D008394:Marsupialia / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism*; D011284:Pregnenolone / Q000378:metabolism; D011374:Progesterone / Q000096:biosynthesis*
D011374:Progesterone; D011284:Pregnenolone