This study aimed to determine the effectiveness of an educational intervention on appropriate pregnancy weight gain in first-time pregnant women attending Khorram Darreh’s urban health centers in 2019.
This was a pretest-posttest quasi-experimental study. The target group consisted of all first-time pregnant women from Khorram Darreh who were covered by its eight urban health centers. Based on the socioeconomic status of the area, the centers were divided into four equal groups. Centers were divided into intervention and control groups using the lottery method. After evaluating the inclusion criteria, the researcher measured the maternal body mass index. The NUTRIKAP questionnaire was used to conduct the pretest on both the intervention and control groups. The education was provided by a trained nutritionist in three hour-long sessions in the first, second, and third trimesters of pregnancy. The posttest was done immediately after training. At the end of the third trimester, the weight of the pregnant women was measured in both groups.
The mean scores of the knowledge and practice indices in the intervention group were significantly higher than the control group (p = 0.001). After the intervention, there was no significant difference between the mean scores of the attitude domain in the intervention and control groups (p = 0.311). There was a significant difference between the intervention and control groups in terms of optimal weight gain during pregnancy (p = 0.015).
The educational intervention was effective in appropriate pregnancy weight gain among first-time pregnant women, addressing the primary prevention approach.
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