Vaccination and pregnancy: placental transmission of antibodies.
D000906:Antibodies / Q000032:analysis*; D005260:Female; D006801:Humans; D007112:Immunity, Maternally-Acquired; D007231:Infant, Newborn; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D012899:Smallpox / Q000453:epidemiology*
D000906:Antibodies