title: [IVF failure: is it really unexplained or undiagnosed?].
authors.forename: A
authors.initials: A
authors.lastname: Hazout
mesh_terms: D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D007246:Infertility / Q000628:therapy*; D008297:Male; D011247:Pregnancy; D018873:Pregnancy Rate; D012307:Risk Factors; D017211:Treatment Failure