The Prevalence and Causes of Primary Infertility in Iran: A Population-Based Study
- Hadigheh Kazemijaliseh
- Fahimeh Ramezani Tehrani
- Samira Behboudi-Gandevani
- Farhad Hosseinpanah
- Davood Khalili
- Fereidoun Azizi
BACKGROUND: Primary infertility is a health issue among women over the world. The aim of this study was to investigate the prevalence and causes of primary infertility based on a population-based study in an urban area of Iran.
MATERIALS & METHODS: In a cross-sectional study, a total of 1067 married women who participated in the Tehran Lipid and Glucose Study were randomly selected using systematic random sampling. Unmarried women, those with unwilling pregnancy and duration of marriage below one year were excluded from the study. Data was collected by using validated ad-hoc questionnaires. Descriptive and inferential statistics were used for data analysis.
RESULTS: The mean (SD) of age and marriage age of the studied women were 40.3 (9.3) and 20.6 (4.49) years, respectively; the overall prevalence of lifetime primary infertility among couples was 17.3% (185/1067). Ovulatory disorder (39.7%) and male factors (29.1%) were the main causes of primary infertility. In addition, 31 (17%) of the women were diagnosed with more than one cause. According to the logistic regression analysis, primary infertility was independently related to the old age of women (OR: 1.37; 95% CI: 1.14–13.63, P.value: 0.001), higher BMI (OR: 1.95; 95% CI: 1.87–4.14, P.value: 0.003), active smoking (OR: 1.47; 95% CI: 1.38–3.53, P.value: 0.012) and higher educational level (OR: 2.23; 95% CI: 1.12–5.53, P.value: 0.03).
CONCLUSION: The prevalence of primary infertility in Iran was higher than the worldwide trends of infertility, indicating that understanding such risks help healthcare providers and policy makers to design and implement interventions to slow down this trend.
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