title: PCOS (disambiguation)
text: # PCOS (disambiguation)
  
  Polycystic ovary syndrome, or PCOS, is the endocrine disorder.
  
  PCOS or variation, may also refer to:
  
  ## Biology and medicine
  
  * Palliative Care Outcome Scale, a pain scale
  
  ## Computer operating systems
  
  * PC OS, the operating system for a personal computer
  * PC/OS, or Black Lab Linux, a Linux distribution
  * Olivetti's PCOS, such as on the Olivetti M20
  
  ## Other meanings
  
  * Comunitarian Party Option Seven (Spanish: Partido Comunitario Opción Siete), a political party in Colombia
  * Precinct count optical scan machine used in vote counting in the Philippines
  * Philharmonic Chamber Orchestra Society, now The Philharmonic Orchestra, Singapore
  