title: Prader-Willi syndrome and prenatal diagnosis.
mesh_terms: D000328:Adult; D000649:Amniocentesis; D002872:Chromosome Deletion; D002901:Chromosomes, Human, 13-15 / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D011218:Prader-Willi Syndrome / Q000175:diagnosis*; D011247:Pregnancy