Results: In this study, comparison of the mean scores of knowledge and attitude before and after the intervention was indicative of a significant increase in these parameters among the subjects of the experimental group (P< 0.05). However, no significant changes were observed in the control group (P> 0.05). In addition, comparison of the mean scores of knowledge and attitude between the experimental and control groups was indicative of a more significant increase in these two variables among the subjects of the experimental group (P< 0.05).

Conclusion: According to the results of this study, health education could effectively increase the level of knowledge and improve the attitude of health coordinators toward gestational diabetes. Considering the key role of health coordinators in raising the awareness of pregnant women about gestational diabetes, it is recommended that educational programs in this regard be carried out on a regular basis.