title: Fertile union.
mesh_terms: D002986:Clinical Trials as Topic; D033041:Embryo Research / Q000941:ethics / Q000331:legislation & jurisprudence; D005053:Eugenics; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D028361:Mitochondrial Diseases / Q000235:genetics* / Q000517:prevention & control*; D053652:Nuclear Transfer Techniques; D011050:Policy Making; D018456:Reproductive Medicine / Q000941:ethics / Q000331:legislation & jurisprudence* / Q000379:methods* / Q000639:trends; D006113:United Kingdom