*Data are presented as Mean ± SD (median, interquartile range). Mann-Whitney U test. **Data are presented as n (%). Chi-square test. IVF: In vitro fertilization, ICSI: Intracytoplasmic sperm injection, BMI: Body mass index, PCOS: Polycystic ovary syndrome, POF: Premature ovarian failure, AMH: Anti-Mullerian hormone, MII: Metaphase II. The gene discussed is AMH; the disease is polycystic ovary syndrome.