title: First reported case of sextuplets conceived via letrozole for ovulation induction.
abstract: OBJECTIVE
  To report the first case of sextuplets conceived via letrozole during ovulation induction.
  
  
  METHODS
  Case report.
  
  
  METHODS
  Private fertility clinic.
  
  
  METHODS
  A 32-year-old female with a history of secondary infertility and polycystic ovary syndrome.
  
  
  METHODS
  Letrozole, 7.5 mg, on cycle days 3-7 after a progesterone-induced menses.
  
  
  METHODS
  Clinical pregnancy.
  
  
  RESULTS
  Sexchorionic-sexamniotic pregnancy.
  
  
  CONCLUSIONS
  High-order multiple gestations are possible with letrozole ovulation induction, so patients should be counseled appropriately and follicle monitoring considered.
authors.affiliation: Ottawa Fertility Centre, Ottawa, Ontario, Canada. Electronic address: sgunwant@hotmail.com.
authors.forename: Gunwant
authors.initials: G
authors.lastname: Warraich
authors.affiliation: Ottawa Fertility Centre, Ottawa, Ontario, Canada.
authors.forename: Tannys D R
authors.initials: TD
authors.lastname: Vause
mesh_terms: D000328:Adult; D047072:Aromatase Inhibitors / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis / Q000188:drug therapy; D000077289:Letrozole; D009099:Multiple Birth Offspring; D009570:Nitriles / Q000627:therapeutic use*; D010062:Ovulation Induction / Q000379:methods*; D011085:Polycystic Ovary Syndrome / Q000175:diagnosis / Q000188:drug therapy; D011247:Pregnancy; D014230:Triazoles / Q000627:therapeutic use*
chemical_list: D047072:Aromatase Inhibitors; D009570:Nitriles; D014230:Triazoles; D000077289:Letrozole
keywords: Case report; letrozole; ovulation induction; sextuplets