Introduction: Polycystic Ovary Syndrome (PCOS) is a gynecological endocrine pathology characterized by affecting the quality of life of women of reproductive age, due to the variety of signs and symptoms that manifest, there are treatment options such as the use of complementary medicine and alternative therapies. Objective: to determine the use of complementary medicine and alternative therapies in Polycystic Ovary Syndrome. Methods: systematic review with reflexive critical analysis of publications from 2019 to 2020, in English and Spanish. The question was elaborated using the PICO strategy. Keywords extracted in Health Sciences Descriptors (DeCs) were used. The search was performed in Scopus, PubMed, Semantic Scholar and Google Scholar databases. The PRISMA flowchart was used as a search strategy. The bibliographic sources were organized and interpreted by means of documentary analysis and synthesis. Results: the methods used in complementary medicine are acupuncture, auriculotherapy, kinesiology, Chinese medicine enema and electrical stimulation. On the contrary, in alternative therapies are yoga, moxibustion, naturopathy and phytotherapy. In addition, as pharmacological method vitamin D, metformin and iron or folic acid. Conclusions: complementary medicine is the most used as a method of treatment of Polycystic Ovary Syndrome, specifically the most prevalent is acupuncture as it decreases the symptomatology, induces ovulation, allows improving the menstrual cycle, fertility and increases self-esteem in patient
