PCO

PCO may refer to:A rapper from Pasadena, California Parliamentary Counsel OfficeParty of the Working Class's Cause (Brazil)Penguin Cafe OrchestraPennsylvania College of OptometryPersonal Computer Oscilloscope — a modern type of  oscilloscope that connects to your PCPhotocatalytic Oxidation, a chemical reaction that occurs when titanium dioxide is exposed to Ultraviolet Light. PCO is also referred to as photocatalysis.Pierre Carl Ouellette, the professional wrestling persona of Carl Ouellet. Polycystic ovary syndromePrecinct Committee OfficerPrivy Council Office (Canada) and Privy Council Office (United Kingdom)Professional Congress OrganiserProject Cycle Optimisation A methodology for project managing software developmentPublic call office — the term that a phone booth provides a local call facility in India and PakistanPublic Carriage Office — the regulatory body for the taxi and private hire trade in LondonA PCO Card in Canada is a proof of competency to steer a recreational or sporting boat (pleasure craft).
See more at Wikipedia.org...

Polycystic ovarian disease (or the Stein-Leventhal syndrome).

POINT OF CONTROL AND OBSERVATION. PCO