t test was used for all variables except for # which was Mann-Whitney test. OHSS: Ovarian hyperstimulation syndrome, AUC: Area under the curve, LH: Luteinizing hormone, TSH: Thyroid stimulating hormone, AMH: Anti-Mullerian hormone, FSH: Follicle-stimulating hormone. The gene discussed is BRD2; the disease is ovarian hyperstimulation syndrome.