Vitamins to prevent neural tube defects.
D035061:Control Groups; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D008433:Mathematics; D009436:Neural Tube Defects / Q000517:prevention & control*; D018579:Patient Selection; D011247:Pregnancy; D035842:Research Subjects; D012306:Risk; D018570:Risk Assessment; D014815:Vitamins / Q000627:therapeutic use*
D014815:Vitamins