Background: Iron deficiency anemia is associated with many problems especially during pregnancy like expanded dangers of maternal mortality, preterm labor and low birth weight. AIM: To assess the effectiveness of BASNEF model based health education on reduction of iron deficiency anemia among pregnant women. DESIGN: A quasi- experimental research design was utilized. SETTING: This study was conducted in Outpatient Clinics of Obstetrics and Gynecology at Benha University Hospital. SAMPLING: A Purposive sample included 200 pregnant women was used. TOOLS: Two tools were used for collecting data included a structured interviewing questionnaire, and BASNEF Model Questionnaire. RESULTS: The current study indicated that there was a significant improvement in the mean score of total knowledge and total BASNEF scores in the study group post program implementation and after three months compared to the control group. Also, there was a positive statistically correlation between total BASNEF scores and hemoglobin, ferritin and hematocrit levels in the study group post program implementation and after three months (p < 0.05). CONCLUSION: The application of health education utilizing BASNEF Model had improved pregnant women's knowledge, belief, attitude, subjective norms and enabling factors regarding iron deficiency anemia. RECOMMENDATION: Dietary advices should be available for all pregnant women through media, guidelines, brochures, antenatal classes and follow up.