The employed pregnant worker: the risks of physical exertion.
D004651:Employment; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D005082:Physical Exertion; D011247:Pregnancy; D011336:Probability; D012039:Regional Blood Flow; D012306:Risk; D014599:Uterus / Q000098:blood supply