[Dynamic serological surveillance of rubella in pregnant women in Beijing].
D000914:Antibodies, Viral / Q000032:analysis*; D005260:Female; D005312:Fetal Blood / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology* / Q000276:immunology; D011261:Pregnancy Trimester, First; D012409:Rubella / Q000453:epidemiology* / Q000276:immunology; D012412:Rubella virus / Q000276:immunology*
D000914:Antibodies, Viral; D007075:Immunoglobulin M