title: Immune competence of the fetus.
mesh_terms: D000917:Antibody Formation; D005333:Fetus / Q000276:immunology*; D005865:Gestational Age; D006801:Humans; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000166:cytology; D013601:T-Lymphocytes / Q000276:immunology