The main symptoms can be irregular menstrual cycles, amenorrhea, infertility, skin acne, and obesity. The cause of its development is not clear, but there are high-risk causative factors. The causes are: 1. high androgens in women, resulting in endocrine disorders, ovarian ovulation abnormalities, resulting in larger ovaries, thicker white membranes, follicles and granulosa cells at different times stop developing, and follicles of different sizes are formed on the ovaries, resulting in polycystic ovaries. 2. hereditary factors, the mother had or suffers from polycystic ovary syndrome, the father has symptoms of hair loss and early baldness, the child is also prone to polycystic ovaries. 3. 3. When a woman suffers from adrenal cortical hyperplasia, the androgens in her body will increase and she will be prone to polycystic ovaries after puberty.