This study was performed to evaluate protective method preferences and factors affecting the women applying to the Center for Family Planning and Mother-Child Health in Sivas city. Method preferences and factors affecting those preferences of 8425 women registered at the center in 2001 were evaluated. This retrospective study was evaluated by computer. in statistical analysis the importance test of difference between two means was used. Age average of women was 30.4±7.3 years and 59.5 % of them were graduated from primary school. Average of their childbirth number was 3.1$pm$1.6. it was determined that 89.4% of women used any protection method, vvhereas 63.3 % of them used modern methods. The most used method was intrauterin device (50.9 %) and the second was coitus interruptus method (20.5 %). Although there was no significant difference in average of number of childbirth and living child between women protected by traditional method and modern method (p>0.05), average of total pregnancy number was significantly high in women protected by traditional method (p<0.001) and the last pregnancy interval was significantly short (p<0.001). 25.1 % of women using modern method and 17.7 % of women using traditional method vvere graduated from higher education. 11.9 %' of women whose last pregnancy was terminated by curettage and 14.6 % of women whose last pregnancy was terminated by abortion had used coitus interruptus method. According to our study although use of modern method increases based on education level of women applied to the center, 26.2 % of women stili use traditional methods. Therefore, it seems that the center in which this study was carried out provides an important need for family planning and mother-child health in Sivas.