Abstract: Background: Labor education is an essential component of prenatal care. Preparing for labor helps women especially cope with their pregnancies and improves pregnancy outcomes. Aim: To evaluate the effect of educational program on knowledge about normal labor among primigravidas pregnant women Methods: Design: This study used a quasi-experimental research. Setting: Study was conducted at the antenatal out-patient clinics, Sohag University Hospital. Sample: A simple random sample about included 100 of all available pregnant women (prime) attended antenatal out-patient clinics. Tools: Structured interview questions tool was used for data collection that included three parts personal characteristics, obstetric data and pregnant women's knowledge about normal labor. Results: About 94.0% and 54.0% of the studied women in the study and control groups had satisfactory knowledge score about labor respectively, with highly statistical significant differences at p-value <0.01. Conclusion: labor education interventions significantly improve pregnant women's understanding of the labor process. Recommendations: Give mothers educational classes on importance and advantages of normal labor.