title: A possible effect of different light sources on pregnancy rates following gamete intra-fallopian transfer.
abstract: A retrospective study of 34 sequential gamete intra-Fallopian transfer (GIFT) procedures suggested a significant effect on pregnancy rates associated with the different laparoscopic light sources, with a pregnancy rate of 50% in 22 cycles using a halogen light source and 9% in 12 cycles using a xenon light source. Other explanatory variables were explored, but none was to have a significant effect on the pregnancy rate. Further investigation revealed that the xenon light source emitted more ultraviolet light than the conventional halogen light source--suggesting a possible detrimental effect of ultraviolet light on the gametes in the GIFT procedure.
authors.affiliation: Department of Obstetrics and Gynaecology, Llandough Hospital, Cardiff, UK.
authors.forename: J
authors.initials: J
authors.lastname: Evans
authors.forename: C
authors.initials: C
authors.lastname: Wells
authors.forename: K
authors.initials: K
authors.lastname: Hood
mesh_terms: D000328:Adult; D005260:Female; D015181:Gamete Intrafallopian Transfer; D006219:Halogens; D006801:Humans; D008029:Lighting; D008297:Male; D011247:Pregnancy; D018873:Pregnancy Rate; D012189:Retrospective Studies; D014466:Ultraviolet Rays; D014978:Xenon
chemical_list: D006219:Halogens; D014978:Xenon