Polycystic ovary syndrome is an endocrine disorder in which the ovaries are enlarged and contain many small fluid-filled sacs, with increased levels of androgens and an inability to ovulate. The most distinctive feature is anovulation. What are the symptoms of polycystic ovary syndrome? 1. Menstrual abnormalities Sparse menstruation, amenorrhea, a few may be manifested as functional uterine bleeding. It occurs mostly in adolescence and is a continuation of irregular menstruation after menarche, sometimes accompanied by dysmenorrhea. 2. Hirsutism is more common, with an incidence of up to 69%. Due to the increase of androgen, it can be seen that the hair on the upper lip, jaw, chest, back, middle of the abdomen, both sides of the upper thighs and the perianal area is thickened and increased. At the same time, it can be accompanied by acne, excessive secretion of facial sebum, low and coarse voice, enlarged clitoris, throat knots and other signs of masculinity. 3, infertility Due to long-term non-ovulation, patients are often combined with infertility, sometimes there may be occasional ovulation or miscarriage, the incidence of up to 74%. 4, obesity Weight more than 20%, body mass index ≥ 25 accounted for 30% to 60%. Obesity is mostly concentrated in the upper body, with a waist/hip ratio of 0.85. It mostly starts from adolescence and gradually increases with age. 5, ovarian enlargement A small number of patients can be palpated through general gynecological examination, increased, tough ovaries, most of them need auxiliary examination to determine. 6. Estrogen action All patients show good estrogen action. On examination, a high amount of cervical mucus is seen. Continuous and large amount of estrogen action can result in excessive endometrial hyperplasia, atypical hyperplasia, and even cancer. What other diseases does polycystic ovary syndrome cause? It can be complicated by endometrial cancer, diabetes, hypertension, cardiovascular disease, etc. 1, tumor persistent, acyclic, relatively high estrogen levels on the endometrial stimulation, and no progesterone resistance, so that the incidence of endometrial cancer and breast cancer increased. 2.Cardiovascular diseases disorders of lipid metabolism, easily cause atherosclerosis, leading to coronary heart disease, hypertension, etc. 3, diabetes insulin resistance state and hyperinsulinemia, obesity, easy to develop into hidden diabetes or diabetes. 4, acne: excessive sebum secretion on the face due to hirsutism. 5, infertility: due to amenorrhea without ovulation.