title: Zooming in on the definition of 'recurrent implantation failure'.
authors.affiliation: Second Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Medical School, Aretaieio Hospital, Athens, Greece. Electronic address: vlachadis@gmail.com.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Vlachadis
authors.affiliation: Second Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Medical School, Aretaieio Hospital, Athens, Greece.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Vrachnis
authors.affiliation: Second Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Medical School, Aretaieio Hospital, Athens, Greece.
authors.forename: Emmanouel
authors.initials: E
authors.lastname: Economou
authors.affiliation: Third Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Medical School, Attiko Hospital, Athens, Greece.
authors.forename: Charalambos
authors.initials: C
authors.lastname: Siristatidis
mesh_terms: D010064:Embryo Implantation / Q000502:physiology*; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D006801:Humans; D007246:Infertility / Q000628:therapy*; D008297:Male; D010053:Ovary / Q000502:physiology*; D011247:Pregnancy; D014599:Uterus / Q000473:pathology*