The mean (± standard deviation [SD]) age of subjects was 34.5 (± 2.8) years in the GnRH agonist group and 33.9 (± 3.1) years in the GnRH antagonist group, and the mean (± SD) duration of infertility was 2.6 (± 1.5) years in the GnRH agonist group and 2.4 (± 1.6) years in the GnRH antagonist group. Here, GNRH1 is linked to Infertility.