At a short initial interview (10 minutes) at recruitment, the trained researcher will outline the programme and provide the participant with a booklet that introduces the texting, website and Facebook® elements as well as short introductions to nutrition, physical activity, GWG
and goal setting in pregnancy. In addition, the researcher will direct the participant to appropriate GWG targets for BMI and an individual GWG monitoring tracker [45], encouraging regular weighing and recording. Goal setting will also be emphasised with the participant asked to set a nutrition or physical activity goal to work towards the above-mentioned evidence-based recommendations