title: Response: the definition of 'recurrent implantation failure'.
authors.affiliation: Department of Reproductive and Developmental Medicine, Jessop Wing, Royal Hampshire Hospital, Sheffield S10 2SF, UK. Electronic address: tinchiu.li@gmail.com.
authors.forename: T C
authors.initials: TC
authors.lastname: Li
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*