title: Successful pregnancy and delivery after transfer of a single blastocyst derived from a vitrified mature human oocyte.
abstract: OBJECTIVE
  To describe the first case of delivery after the transfer of a single blastocyst derived from a vitrified mature human oocyte.
  
  
  METHODS
  Case report.
  
  
  METHODS
  Private assisted reproduction clinic.
  
  
  METHODS
  A normal 31-year-old woman.
  
  
  METHODS
  An unsuccessful attempt was made to extract sperm from the patient's nonobstructive azoospermic husband by testicular sperm extraction.
  
  
  METHODS
  Transfer of single blastocyst derived from vitrified human oocyte and donor sperm.
  
  
  RESULTS
  A healthy male neonate weighing 3000 g was born.
  
  
  CONCLUSIONS
  Vitrification is a useful method of preserving mature human oocytes and has the advantage of time-effectiveness, simplicity, cost reduction, and no need for devices such as programmable freezers.
authors.affiliation: Department of Gynecology and Urology, Ladies Clinic Kyono, Miyagi, Japan. info@ivf-kyono.or.jp
authors.forename: Koichi
authors.initials: K
authors.lastname: Kyono
authors.forename: Kohei
authors.initials: K
authors.lastname: Fuchinoue
authors.forename: Akiko
authors.initials: A
authors.lastname: Yagi
authors.forename: Yukiko
authors.initials: Y
authors.lastname: Nakajo
authors.forename: Ayako
authors.initials: A
authors.lastname: Yamashita
authors.forename: Shima
authors.initials: S
authors.lastname: Kumagai
mesh_terms: D000328:Adult; D001755:Blastocyst / Q000166:cytology; D015925:Cryopreservation / Q000379:methods*; D036861:Delivery, Obstetric / Q000379:methods; D004624:Embryo Transfer; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D050498:Live Birth; D008297:Male; D009865:Oocytes / Q000166:cytology; D011247:Pregnancy