2. Methods
This was a descriptive cross sectional survey. The samples under study include 310 women in Hamedan city (a city in west of Iran). By using simple random method samples were selected and assessed with an interview from. Before the participants completed interviewing form, oral consent to participate in the study was obtained. The data collection form was generally two-part interview: The first part was include some social and demographic characteristics (age of sample, employment, education, etc.) and the second part was included educational needs about O.C.Ps (LD, three phase, and minipill). Validity of the questionnaire was reviewed by 10 experts in this field. Also the reliability was determined by measuring the two researchers.