title: Serum immunogbulin cocentrations during normal pregnancy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005006:Ethnicity; D005260:Female; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D013997:Time Factors
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M