title: The risk of foetomaternal bleeding in connection with amniocentesis.
mesh_terms: D000653:Amniotic Fluid; D004912:Erythrocytes; D005260:Female; D006470:Hemorrhage; D006801:Humans; D010920:Placenta; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011677:Punctures / Q000009:adverse effects; D012204:Rh-Hr Blood-Group System; D014592:Uterine Hemorrhage / Q000209:etiology
chemical_list: D012204:Rh-Hr Blood-Group System