title: Human guinea pigs have a choice.
mesh_terms: D035061:Control Groups; D004992:Ethics, Medical; D005260:Female; D006805:Human Experimentation; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D018579:Patient Selection; D011247:Pregnancy; D035842:Research Subjects; D018570:Risk Assessment