Prevention of congenital malformations.
D001424:Bacterial Infections / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000517:prevention & control*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D006920:Hygiene; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007918:Leprosy / Q000266:history; D009436:Neural Tube Defects / Q000209:etiology / Q000517:prevention & control; D011247:Pregnancy; D011645:Puerperal Infection / Q000266:history; D014397:Tuberculosis, Pulmonary / Q000266:history; D014481:United States