title: Comparison of day 2 tubal embryo transfer with day 3 embryo transfer into the uterus of intracytoplasmic sperm injection derived human embryos.
abstract: OBJECTIVE
  To compare the results of embryo transfer into the uterus (ET) performed on day 3 vs. tubal embryo transfer (TET) on day 2 in couples diagnosed with male factor infertility.
  
  
  METHODS
  We collected data from 34 and 110 patients who underwent intracytoplasmic sperm injection (ICSI) followed by either TET on day 2 or ET on day 3 (January 2001-June 2005), respectively. All couples were diagnosed with male factor infertility; there were no tubal or uterine factors, diminished ovarian reserve, pelvic adhesions, history of polycystic ovary syndrome or previous ovarian surgery.
  
  
  RESULTS
  The clinical pregnancy rates of day 2 TET and day 3 ET following ICSI were 64.71% and 57.27% (p > 0.05), respectively. The corresponding implantation rates were 35.47% and 29.58% (p > 0.05), respectively.
  
  
  CONCLUSIONS
  The implantation and clinical pregnancy rates of ET on the 3rd day following ICSI were similar to the rates obtained with TET 2 days after ICSI. Therefore, ET performed 3 days after ICSI should be the first choice for couples with male factor infertility, while day 2 TET remains a good alternative, especially for women with normal tubal function and known difficulties of transcervical ET.
authors.affiliation: Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan.
authors.forename: Tsai-Fang
authors.initials: TF
authors.lastname: Lee
authors.forename: Robert Kuo-Kuang
authors.initials: RK
authors.lastname: Lee
authors.forename: Ming-Huei
authors.initials: MH
authors.lastname: Lin
authors.forename: Yuh-Ming
authors.initials: YM
authors.lastname: Hwu
authors.forename: Yu-Fen
authors.initials: YF
authors.lastname: Chih
authors.forename: Yi-Chun
authors.initials: YC
authors.lastname: Tsai
authors.forename: Jin-Tsung
authors.initials: JT
authors.lastname: Su
mesh_terms: D004624:Embryo Transfer; D005260:Female; D006801:Humans; D007248:Infertility, Male; D008297:Male; D011247:Pregnancy; D011256:Pregnancy Outcome; D020554:Sperm Injections, Intracytoplasmic