title: ABO blood groups and abortion.
mesh_terms: D000017:ABO Blood-Group System; D000022:Abortion, Spontaneous / Q000209:etiology*; D000906:Antibodies; D001787:Blood Group Incompatibility / Q000150:complications*; D004899:Erythroblastosis, Fetal; D005260:Female; D006801:Humans; D007246:Infertility / Q000209:etiology; D008297:Male; D011247:Pregnancy
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies