title: "To be or not to be?"--the ethics of in vitro fertilization.
mesh_terms: D033421:Beginning of Human Life; D004622:Embryo, Mammalian / Q000502:physiology; D004992:Ethics, Medical; D005307:Fertilization in Vitro; D006801:Humans; D019369:Life; D028681:Moral Obligations; D009014:Morals; D040841:Resource Allocation