title: In vitro fertilization: reflections on the state of the art.
mesh_terms: D004624:Embryo Transfer; D004995:Ethics, Professional; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D009865:Oocytes; D010062:Ovulation Induction; D012307:Risk Factors; D012661:Semen; D013048:Specimen Handling