There was no statistically significant difference among the other characteristics studied, such as previous sexually transmitted infections (STI), previous miscarriages, preliminary cervical lesions, and levels of follicle-stimulating hormone (FSH), estradiol, thyroid-stimulating hormone (TSH), prolactin, and anti-mullerian hormone (p-value > 0.05). The gene discussed is BRD2; the disease is sexually transmitted disease.