title: Immunologic sensitization prior to birth.
mesh_terms: D000818:Animals; D000906:Antibodies; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens; D004927:Escherichia coli Infections / Q000276:immunology; D005260:Female; D005313:Fetal Death / Q000517:prevention & control; D005315:Fetal Diseases / Q000276:immunology; D005333:Fetus / Q000276:immunology*; D006801:Humans; D007108:Immune Tolerance; D007109:Immunity; D007112:Immunity, Maternally-Acquired; D007116:Immunization, Passive; D007075:Immunoglobulin M; D008214:Lymphocytes / Q000276:immunology; D008431:Maternal-Fetal Exchange; D009107:Mumps / Q000276:immunology; D009858:Oncogenic Viruses / Q000276:immunology; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000276:immunology*; D012882:Skin Tests; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000276:immunology; D014435:Typhoid Fever / Q000276:immunology
chemical_list: D000906:Antibodies; D000941:Antigens; D007075:Immunoglobulin M