PCOS Polycystic Ovary Syndrome: symptoms, infertility and treatment Polycystic ovary syndrome (PCOS) is a common condition that affects 1 in 1o women. It is characterised by: irregular or no periods periods – which means you are not ovulating regularly excess androgen – high levels of “male” hormones polycystic ovaries – your ovaries become enlarged and contain many follicles […]