The author recommended some methods of establishing animal model of polycystic ovarian syndrome, such as using androgen (including testosterone propionate, dehydroepiandrosterone, estradiol valerate, progestogen with HCG and insulin with HCG, etc.). The establishment of animal model is not easy, because the wpolycystic ovarian is a syndrome with several etiological factors and polymorphism of clinical situations for complex pathologic situation. Relatively speaking, it's better to establish the pathologic model by the...