Safeguards for donors.
D033041:Embryo Research / Q000191:economics / Q000941:ethics*; D005260:Female; D005307:Fertilization in Vitro; D017408:Guidelines as Topic; D006801:Humans; D018587:Oocyte Donation / Q000191:economics* / Q000941:ethics*; D013234:Stem Cells; D014019:Tissue Donors / Q000941:ethics / Q000523:psychology