title: Are spontaneous abortion rates useful in monitoring reproductive hazards?
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology*; D005260:Female; D006801:Humans; D015994:Incidence; D008954:Models, Biological; D011247:Pregnancy; D011446:Prospective Studies; D012189:Retrospective Studies