title: Understanding the placenta. Part 3: the fetus and the placental barrier.
mesh_terms: D000014:Abnormalities, Drug-Induced; D001327:Autoimmune Diseases; D001787:Blood Group Incompatibility; D064420:Drug-Related Side Effects and Adverse Reactions; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007239:Infections; D008431:Maternal-Fetal Exchange; D011247:Pregnancy