OBJECTIVES: Excessive gestational weight gain (GWG) puts women and children at risk of obesity. We piloted an SMS-texting intervention to promote healthy GWG among overweight and obese women. METHODS: We recruited 35 women and randomized them in a 2:1 fashion to: a tailored SMS-texting intervention (Preg CHAT) versus a generic texting intervention (Txt4baby). Preg CHAT texts provided personalized feedback based on women's intake of sweetened beverages, fruits and vegetables, fast food, daily steps taken, and weight. We abstracted women's weights from charts and surveyed women at baseline and 32 weeks gestation. RESULTS: Few women refused the study; many (30%) did not complete the study, however. Of those in the Preg CHAT arm, 86% responded to texts, and 80% said they would recommend this program to a friend. For women who completed the surveys (n = 23), those in the Preg CHAT arm had a mean gain of 6 less pounds than women in the Txt4Baby arm (95% CI -15.9 to 4.0; p = 0.24). CONCLUSIONS: This pilot study shows feasibility, acceptability, and potential efficacy of a low-intensity and disseminable intervention to help overweight and obese women reduce GWG. PRACTICE IMPLICATIONS: An SMS texting program might help overweight women reduce excessive GWG.
With permission from Excerpta Medica Inc.

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