title: A retroprospective study comparing three different assisted hatching techniques.
abstract: The purpose of this study was to determine the effect of four different assisted hatching techniques on pregnancy rates in women with prior IVF failure in fresh IVF cycles. The results suggested that assisted hatching utilizing laser, chemical, or microsurgical techniques increases both implantation and pregnancy rates.
authors.affiliation: Center for Human Reproduction, North Shore University Hospital, NYU School of Medicine, Manhasset, New York 11030, USA. hfeng@nshs.edu
authors.forename: Huai L
authors.initials: HL
authors.lastname: Feng
authors.forename: Avner
authors.initials: A
authors.lastname: Hershlag
authors.forename: Gerald M
authors.initials: GM
authors.lastname: Scholl
authors.forename: Matthew A
authors.initials: MA
authors.lastname: Cohen
mesh_terms: D000328:Adult; D004210:Dissection; D004622:Embryo, Mammalian / Q000502:physiology; D047108:Embryonic Development / Q000502:physiology*; D004717:Endometrium / Q000502:physiology; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods*; D006801:Humans; D007247:Infertility, Female / Q000628:therapy*; D007552:Isotonic Solutions; D007834:Lasers; D011247:Pregnancy; D018873:Pregnancy Rate; D027724:Reproductive Techniques, Assisted; D012189:Retrospective Studies; D017211:Treatment Failure; D015044:Zona Pellucida / Q000502:physiology*
chemical_list: D007552:Isotonic Solutions; C037692:Tyrode's solution