Human chorion scan during physiologic and selected pathologic states of the first trimester of pregnancy.
D000022:Abortion, Spontaneous / Q000473:pathology; D000328:Adult; D002823:Chorion / Q000648:ultrastructure*; D005321:Extraembryonic Membranes / Q000648:ultrastructure*; D005260:Female; D005313:Fetal Death / Q000473:pathology; D006801:Humans; D008855:Microscopy, Electron, Scanning; D011247:Pregnancy; D011261:Pregnancy Trimester, First