title: The effect of pneumoperitoneum gases on fertilization, cleavage and pregnancy in human in-vitro fertilization and gamete intra-fallopian transfer.
abstract: A prospective, randomized study was carried out, creating a pneumoperitoneum with 100% CO2 or with 5% CO2 in air and evaluating the effect(s) of these gas phases on fertilization, cleavage and pregnancy outcome in this in-vitro fertilization and embryo transfer programme. There was no significant difference in the fertilization rate when either 100% CO2 or 5% CO2 in air was used for insufflation during laparoscopy. Further, embryonic development and pregnancy rates also indicated no significant differences between the two groups. Similarly, the oocytes which were retrieved and replaced with spermatozoa in the gamete intra-Fallopian transfer programme using either 100% or 5% CO2, gave similar pregnancy rates. Furthermore, the fertilization and cleavage rates of the supernumerary oocytes were not significantly different in both groups.
authors.affiliation: Centre for Reproductive Medicine, Academic Hospital, Vrije Universiteit, Brussel, Belgium.
authors.forename: I
authors.initials: I
authors.lastname: Khan
authors.forename: P
authors.initials: P
authors.lastname: Devroey
authors.forename: M
authors.initials: M
authors.lastname: Van den Bergh
authors.forename: M
authors.initials: M
authors.lastname: Camus
authors.forename: A
authors.initials: A
authors.lastname: Wisanto
authors.forename: C
authors.initials: C
authors.lastname: Staessen
authors.forename: J
authors.initials: J
authors.lastname: Smitz
authors.forename: A
authors.initials: A
authors.lastname: Van Steirteghem
mesh_terms: D002245:Carbon Dioxide / Q000008:administration & dosage / Q000494:pharmacology*; D002455:Cell Division / Q000187:drug effects; D005260:Female; D005307:Fertilization in Vitro; D015181:Gamete Intrafallopian Transfer; D006801:Humans; D011028:Pneumoperitoneum, Artificial; D011247:Pregnancy / Q000187:drug effects*; D011446:Prospective Studies; D011897:Random Allocation
chemical_list: D002245:Carbon Dioxide