title: Fertility: progress and uncertainty.
mesh_terms: D005260:Female; D059247:Fertility Preservation / Q000379:methods / Q000639:trends*; D006801:Humans; D007246:Infertility / Q000209:etiology / Q000517:prevention & control*; D008297:Male; D009369:Neoplasms / Q000628:therapy; D027724:Reproductive Techniques, Assisted / Q000639:trends