FSH levels were significantly elevated in the cyst groups, with endometriomas showing the highest mean FSH (14.08 IU/L), followed by simple cysts (15.23 IU/L) and dermoid cysts (13.57 IU/L), compared to controls (6.89 IU/L) (p < 0.001). The gene discussed is BRD2; the disease is cyst.