Comment on

• The routine use of gonadotropin-releasing hormone agonists prior to in vitro fertilization and gamete intrafallopian transfer: a meta-analysis of randomized controlled trials.

  Hughes EG, Fedorkow DM, Daya S, Sagle MA, Van de Koppel P, Collins JA. Hughes EG, et al. Fertil Steril. 1992 Nov;58(5):888-96. doi: 10.1016/s0015-0282(16)55430-2. Fertil Steril. 1992. PMID: 1426372 Clinical Trial.