Another complete form of PCO is the polycystic ovary. According to recent studies, PCOS or polycystic ovary syndrome is a common hormonal disorder in women with an inherited condition. What is the full form of PCO? - Public Call Office - Public Call Office (PCO) is a telephone facility located in a public place. Understand the full form of PCO, its applications in communication and medical industry, and the treatment for Polycystic Ovarian Syndrome. Are you looking for the meanings of PCO? On the following image, you can see major definitions of PCO. If you want, you can also download image file to print, or you can share it with your friend via Facebook, Twitter, Pinterest, Google, etc. To see all meanings of PCO, please scroll down. The full list of definitions is shown in the table below in alphabetical order.