Poor maternal nutrition during pregnancy and breastfeeding can lead to stunted growth of their children. Aim: To evaluate the effect of an educational program for pregnant women about nutritional stunting among two years children at Sohag Governorate. Research design: Quasi- experimental research design. Setting: MCH centers at Sohag Governorate. Sample: 350 pregnant mothers. Tools: Tool (1): Included four parts: Part (1): Sociodemographic characteristics. Part (2): Obstetrical history of pregnant women, Part (3): Medical history of pregnant women. Part (4): Pregnant women's knowledge about nutrition during pregnancy, lactation and knowledge about nutritional stunting. Tool (2): Included child reported feeding practices. Results: 35.4 % of studied pregnant women were aged ≥ 30 years, 57.4% had secondary education, 86.0% were housewives and 48.0% of them at the low social class. Half of them had poor knowledge at pre-test with improvement in post-test. Also, high statistically significant differences of mothers' feeding practices in pre, post and follow-up. Conclusion: Health education program had a significant influence on increasing the knowledge and reported feeding practices of mothers related to their children. Recommendations: Further educational program about nutritional stunting for mothers in different settings to include larger sample size.