Effectiveness of a Smartphone App to Promote Healthy Weight Gain, Diet, and Physical Activity During Pregnancy (HealthyMoms): Randomized Controlled Trial

Johanna Sandborg   ^{1, 2} , MSc ;   Emmie Söderström   ² , MSc ;   Pontus Henriksson   ² , PhD ;   Marcus Bendtsen   ² , PhD ;   Maria Henström   ¹ , PhD ;   Marja H Leppänen   ^{1, 3, 4} , PhD ;   Ralph Maddison   ⁵ , PhD ;   Jairo H Migueles   ^{2, 6} , PhD ;   Marie Blomberg   ^{7, 8} , PhD ;   Marie Löf   ^{1, 2, 5} , PhD

¹ Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden

² Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden

³ Folkhälsan Research Center, Helsinki, Finland

⁴ Faculty of Medicine, University of Helsinki, Helsinki, Finland

⁵ Institute for Physical Activity and Nutrition, Deakin University, Burwood, Australia

⁶ PROFITH "PROmoting FITness and Health through physical activity" research group, Department of Physical Education and Sports, Faculty of Sport Sciences, Research Institute of Sport and Health, University of Granada, Granada, Spain

⁷ Department of Obstetrics and Gynecology, Linköping University, Linköping, Sweden

⁸ Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden