References
- Fauser BC, Diedrich K, Devroey P. Predictors of ovarian response: progress towards individualized treatment in ovulation induction and ovarian stimulation. Hum Reprod Update 2008;14:1-14
- Fauser BC, Van Heusden AM. Manipulation of human ovarian function: physiological concepts and clinical consequences. Endocr Rev 1997;18:71-106
- Hugues JN, Barlow DH, Rosenwaks Z, et al. Improvement in consistency of response to ovarian stimulation with recombinant human follicle stimulating hormone resulting from a new method for calibrating the therapeutic preparation. Reprod Biomed Online 2003;6:185-90
- Driebergen R, Baer G. Quantification of follicle stimulating hormone (follitropin alfa): is in vivo bioassay still relevant in the recombinant age?. Curr Med Res Opin 2003;19:41-6
- Balasch J, Fabregues F, Penarrubia J, et al. Outcome from consecutive assisted reproduction cycles in patients treated with recombinant follitropin alfa filled-by-bioassay and those treated with recombinant follitropin alfa filled-by-mass. Reprod BioMed Online 2004;8:408-13
- Bergh C, Howles CM, Borg K, et al. Recombinant human follicle stimulating hormone (r-hFSH; Gonal-F®) versus highly purified urinary FSH (Metrodin HP®): results of a randomized comparative study in women undergoing assisted reproductive techniques. Hum Reprod 1997;12:2133-9
- Frydman R, Howles CM, Truong F. A double-blind, randomized study to compare recombinant human follicle stimulating hormone (FSH; Gonal-F) with highly purified urinary FSH (Metrodin HP) in women undergoing assisted reproductive techniques including intracytoplasmic sperm injection. The French Multicentre Trialists. Hum Reprod 2000;15:520-5
- Sorenson C. ART in the European Union. Euro Observer Health Policy Bulletin 2006;8:1-4
- Barlow DH. A time for consensus and consistency of reporting in clinical studies and the importance of new basic research. Hum Reprod 2004;19:1-2
- Sanocka D, Kurpisz M. Infertility in Poland – present status, reasons and prognosis as a reflection of Central and Eastern Europe problems with reproduction. Med Sci Monit 2003;9:SR16-20
- Nyboe AA, Gianaroli L, Nygren KG. Assisted reproductive technology in Europe, 2000. Results generated from European registers by ESHRE. Hum Reprod 2004;19:490-503
- Van Steirteghem A. [Twenty years of in vitro fertilization: realization and questions for the future]. Verh K Acad Geneeskd Belg 2001;63:193-240
- Andersen AN, Goossens V, Ferraretti AP, et al. Assisted reproductive technology in Europe, 2004: results generated from European registers by ESHRE. Hum Reprod 2008;23:756-71
- Abdelmassih V, Oliveira FG, Goncalves SP, et al. A prospective, randomized and blinded comparison between 10,000 IU urinary and 250 microg recombinant human chorionic gonadotropin for oocyte maturation in in vitro fertilization cycles. J Assist Reprod Genet 2005;22:149-53
- Sakhel K, Khedr M, Schwark S, et al. Comparison of urinary and recombinant human chorionic gonadotropin during ovulation induction in intrauterine insemination cycles: a prospective randomized clinical trial. Fertil Steril 2007;87:1357-62
- Nygren KG. International registries of assisted reproductive technologies. 2006. Available at: www.who.int/reproductive-health/infertility/35.pdf [Last accessed 15 June 2009]
- Lass A, McVeigh E. Routine use of r-hFSH follitropin alfa filled-by-mass for follicular development for IVF: a large multicentre observational study in the UK. Reprod Biomed Online 2004;9:604-10
- Templeton A, Morris JK, Parslow W. Factors that affect outcome of in-vitro fertilisation treatment. Lancet 1996;348:1402-6
- Assisted reproductive technology in the United States: 2001 results generated from the American Society for Reproductive Medicine/Society for Assisted Reproductive Technology registry. Fertil Steril 2007;87:1253-66
- Andersen AN, Gianaroli L, Felberbaum R, et al. Assisted reproductive technology in Europe, 2002. Results generated from European registers by ESHRE. Hum Reprod 2006;21:1680-97
- Gleicher N, Weghofer A, Barad D. A formal comparison of the practice of assisted reproductive technologies between Europe and the USA. Hum Reprod 2006;21:1945-50
- Templeton A, Morris JK. Reducing the risk of multiple births by transfer of two embryos after in vitro fertilization. N Engl J Med 1998;339:573-7
- Andersen AN, Gianaroli L, Felberbaum R, et al. Assisted reproductive technology in Europe, 2001. Results generated from European registers by ESHRE. Hum Reprod 2005;20:1158-76
- Concato J, Horwitz RI. Beyond randomised versus observational studies. Lancet 2004;363:1660-1