title: The effect of a difficult embryo transfer on the outcome of IVF.
authors.forename: A
authors.initials: A
authors.lastname: Lass
authors.forename: N
authors.initials: N
authors.lastname: Abusheikha
authors.forename: P
authors.initials: P
authors.lastname: Brinsden
authors.forename: G T
authors.initials: GT
authors.lastname: Kovacs
mesh_terms: D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D011247:Pregnancy; D016896:Treatment Outcome