Background: in Egypt, despite the high percentage of women using IUD according to Demographic and Health Surveys (DHS) 2014 (52.9%) of total women using contraceptive methods, the discontinuation rates among Cu-IUD users (within 12 months of use) reaches 14.3% in 2014. Aim of the Work: the aim of the study was to compare between primary health care unit and university family planning clinic in discontinuation rate among copper IUD users. Patients and Method:  study design: prospective analytical observational study. Study setting: This study was conducted at Family planning Outpatient clinic of Ain Shams Maternity Hospital and El-Zahraa primary health care unit for a year. This study included 260 women whom attending family planning clinic for Cu- IUD insertion. Total 100 subjects was enrolled from each clinic. Rest of subjects was lost on follow up either after 6 months or 12 months. Some others refused to participate or gave wrong personal contacts. Results: preliminary results of the study revealed that there is no statistically significant difference between discontinuation rate among Copper IUD users in university clinic and primary healthcare clinic (p-value = 0.095). Conclusion: in our Study, analysis of data revealed that age, parity and previous usage of IUD may affect discontinuation rate after 12 months of IUD use. The mean cause of IUD discontinuation was bleeding and Anemia was present in 66.6% of patients complaining from bleeding.