In this two-episode series, The Good GP interviews Dr Ben Kroon on the topic of polycystic ovary syndrome (PCOS). This episode focuses on the diagnosis and differentials of PCOS. This episode explores what is PCOS and the causes. The different approaches for adult and adolescent is also discussed. Part two of the series (Episode 85 - available 24 November) covers the management of polycystic ovary syndrome. Dr Ben Kroon is a fertility specialist, gynaecologist and obstetrician. Ben also has a sub specialty in fertility and reproductive endocrinology; one of only a few subspecialists in the country.