OBJECTIVE: We designed this study to demonstrate the risk factors of Intrauterine Devices (IUD) expulsion.STUDY DESIGN: Eighty patients (age range; 28-36) applied IUD evaluated in terms of their IUD expulsions. Risk factors recorded were; age, gravidity, parity, BMI, previous expulsion of intrauterine devices, delivery type, length of the endometrial cavity POP-Q scores and sonographic correct IUD location. Statistically analysis was performed by Mann Whitney U test, Logarithmic transformation and Logistic regression analysis. RESULTS: There were no statistically significant differences between groups in terms of ages, gravidity, parity, BMI, previous expulsion of intrauterine devices, delivery type, length of the endometrial cavity and the measure of Ap, Bp, C, D, TVL distances of POP-Q scores (p>0.05). The measure of Aa, Ba, Gh, Pb distances were statistically significantly lower in IUD expulsion group (p<0.05).CONCLUSION: As interestingly; we found that POP-Q assessment should be a promising marker in predicting IUD expulsion. To the best of our knowledge, this is the first study with a such result, therefore POP-Q evaluation should be a useful parameter for future IUD expulsion.