Background & Aim: Unwanted pregnancy is one of the most important causes of mother and child mortality. It may end up to illegal abortion and result in inevitable physical and psychological consequences. This study aimed to determine the correlates of unwanted pregnancy among pregnant women attending medical and health centers in Semnan.

Methods & Materials: In this cross-sectional study, we recruited 229 pregnant women using random sampling. Women with at least one alive child were recruited. Data were gathered using a questionnaire and analyzed using descriptive& analytical statistical tests.

Results: The mean age was 30.7. The mean age at marriage was 19.7. Of all women, 32.3% had unwanted pregnancy. The results showed that there were significant relationships between age of marriage (P<0.05), current age of women (P<0.05), level of education (P<0.05), No. of children (P<0.01), employment (P<0.05), and income (P<0.01) with unwanted pregnancy.

Conclusion: The prevalence rate of unwanted pregnancy was high in the studied population. Educational programs regarding correct methods of contraceptive usages are required.

  Background & Aim: Need assessment for promotion reproductive health is important subject and development a questionnaire is essential. Thus the aim of this study was development of questionnaire of intention to use of oral contraception in withdrawal users based on construct of Theory of Planned Behavior (TPB).

  Methods & Materials : In-depth interviews were conducted to elicit the salient beliefs relevant to oral contraception among withdrawal users. Then a cross-sectional study carried out in Tehran, Iran for validate of questionnaire. Participants recruited from attending five family planning clinics of public health services in the Eastern district of Tehran, Iran. Validity and reliability was evaluated using concurrent, content validity and Cronbach's alpha and test- retest respectively. Factor structure of the questionnaire was extracted by exploratory factor analysis (EFA). Confirmatory factor analysis (CFA) conducted to assess how well the EFA extracted model fits observed data. The SPSS version 16 and Lisrel programs were used to analyze the data.

  Results: Reliability and validity were confirmed. The principal component analysis revealed a three-factor structure for the questionnaire including attitude, subjective norm and perceive behavior control that explained 50.4 percent of the total of variance.

  Conclusion : In general, the findings suggest that questionnaire of intention to use of oral contraception in withdrawal users based on Theory of Planned Behavior is a reliable and valid measure.