STUDY PROTOCOL Open Access Testing the feasibility of a mobile technology The primary outcome is the feasibility of the intervention. Secondary outcomes include GWG and participants’ TRIALS

Full list of author information is available at the end of the articleknowledge and behaviour regarding diet and physical activity during pregnancy. Discussion: Findings will inform the development of larger-scale mHealth programmes to improve the delivery of healthy pregnancy nutrition, physical activity and GWG, that could be widely translated and disseminated