Background: Polycystic Ovarian Syndrome (PCO), also called Hyper androgenic anovulation (HA), or Stein-Leventhal syndrome is a very common disorder of ovaries that only occurs in females mainly of reproductive age of 4% to 20% approximately. It is a condition in which multiple cysts, almost 9 to 10 are noted in the ovary, can be on one side or both sides and the volume of the ovary exceeds 10ml. The common representation of PCOS includes obesity, acne, hirsutism, and complications in pregnancy. Objective: To evaluate among the largest population which age group is the most having polycystic ovarian syndrome. Methodology: A literature search was performed with the use of search engines. The search engines that provided the articles for systemic review are Google Scholar, MDPI, PubMed, Medscape, and NCBI. For article searching following keywords were used: Polycystic ovaries, reproductive age changes, and age group. Conclusion: It is concluded that there is a specific age that has Polycystic syndrome ranging from 12-25.