title: Diagnostic amniocentesis in early pregnancy.
mesh_terms: D000649:Amniocentesis / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007518:Isoantibodies; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
chemical_list: D007518:Isoantibodies; D012204:Rh-Hr Blood-Group System