title: A live birth after transfer of a day 2 embryo derived from frozen-thawed zygotes that had undergone polar body biopsy: a case report.
abstract: OBJECTIVE
  To present a live birth after freezing and thawing of biopsied oocytes.
  
  
  METHODS
  Case report.
  
  
  METHODS
  Artificial reproduction unit of a university hospital.
  
  
  METHODS
  A primary infertile couple with asthenoteratozoospermia and repeated failures of intracytoplasmic sperm injection (ICSI).
  
  
  METHODS
  Screening of aneuploidy during the fourth ICSI cycle with polar body biopsy (PB) for repeated failures of artificial reproductive techniques and a transfer of a cryopreserved day 2 embryo derived from cryopreserved zygotes with slow-rate freezing after PB.
  
  
  METHODS
  Live birth, viability, and survival.
  
  
  RESULTS
  A successful pregnancy and a live birth were presented after a transfer of day 2 embryos derived from oocytes that underwent PB and subsequent cryopreservation.
  
  
  CONCLUSIONS
  Pregnancy can be obtained subsequent to cryopreservation and thawing after PB.
authors.affiliation: Department of Gynecology and Obstetrics, University of Schleswig-Holstein, Lübeck Campus, Lübeck, Germany.
authors.forename: Batuhan
authors.initials: B
authors.lastname: Ozmen
authors.forename: Beata
authors.initials: B
authors.lastname: Schöpper
authors.forename: Askan
authors.initials: A
authors.lastname: Schultz-Mosgau
authors.forename: Mohamed
authors.initials: M
authors.lastname: Youssry
authors.forename: Klaus
authors.initials: K
authors.lastname: Diedrich
authors.forename: Safaa
authors.initials: S
authors.lastname: Al-Hasani
mesh_terms: D000328:Adult; D015925:Cryopreservation; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D006801:Humans; D007246:Infertility / Q000473:pathology* / Q000628:therapy*; D050498:Live Birth; D008297:Male; D016896:Treatment Outcome; D015053:Zygote / Q000166:cytology*