ABSTRACT
The intrauterine device [IUD] is the most widely used reversible method of contraception in the world. One of the most common side effects of intrauterine device is increasing of menstrual blood loss, which may cause discontinuation and iron - deficiency anemia. BY considering the effects of IUD type on menstrual bleeding this study was conducted to compare the side effects of T Cu 380A and Cu safe300 IUDs including bleeding, pain on during 3-month period in clients referring to family planning center of Shahrekord Hajar hospital. This study was a randomized single-blind clinical trial, during which 70 candidates applied for IUD were randomly placed in two groups of IUD T Cu 380A and Cu safe300. The major side effects were recorded in the following 1, 2, 3 months. The comparisons were made using t-test, Mann-Whitney, Chi-Square and Wilcoxon tests by SPSS soft ware. Menstrual bleeding and dysmenorrheal was more commonly occurred during the 3 month of implantation in both groups but bleeding and pain was significantly lower in Cu safe300 group than the other group. With regard in this study showed menstrual blood loss and dysmenorrheal in the 3 months after IUD insertion a in Cu safe300 users were less than T Cu380A users therefore recommending to be possible this kind IUD to distribute in the health centers