Treatment of Polycystic ovarian syndrome (PCOS) through Homoeopathic medicine- A case report Mehadi Arif Billah 1PG Scholar of Dept. of Homoeopathic Materia medica,National Institute of Homoeopathy, Govt. of India, Kolkata, WB, India Binay Pratap Singh 2PG Scholar of Dept. of Case Taking & Repertory, National Institute of Homoeopathy, Govt. of India, Kolkata, WB, India Vignesh Kumar S PG Scholar of Dept. of Paediatrics, National Institute of Homoeopathy, Govt. of India, Kolkata, WB, India Keywords: Ignatia in 50millesimal potency, Infertility, Ovarian cyst, Ovarian tumour, Polycystic ovarian syndrome Abstract PCOS is a commonest endocrinal disorder of women which found in our day to day routine practice. Its prevalence is around 5-10% of women of reproductive age group. It presents with various metabolic disturbances and spectrum of features like menstrual abnormalities, infertility, obesity and hyperandrogenism. This is a case of PCOS, a largest cyst of size measuring 47cm x24 mm in left ovary as per USG findings, in a 36year aged female, associated with dysmenorrhea and Headache. The patient consult OPD with complaints of Irregular profuse menstruation associated with Severe aching pain in left iliac(ovarian) region and nausea < lying in left lateral position since last 18 months. Menses 7-8days/30-35 day cycle, Bleeding profuse for first 4 days can’t do her daily activity.The huge sized cyst and intolerable pain found difficult to manage conservatively. As a last resort patient wanted to try homoeopathic treatment and finally cured in 3 months by Ignatia in 50 millesimal potencyfrom0/1 to 0/6. pdf Published 2023-03-19 Issue Vol 7 No 1 (2023): January-March 2023 Section Case Reports