hesami, kazhal, shahin savadzade, and farangis khosravi. “The Duration Use and Causes of Discontinuation IUD in Sarvabad”. Advances in Nursing & Midwifery, vol. 20, no. 73, Feb. 2012, pp. 31-44, https://journals.sbmu.ac.ir/en-jnm/article/view/2824.