Bump2Baby and Me Trial

The focus of the Bump2Baby and Me project is to undertake a randomised controlled trial to test a novel healthcare intervention, both during and for the first year after pregnancy. The intervention includes risk screening and a health coaching programme.

In this video, our Project Coordinator Sharleen O’Reilly explains the Bump2Baby and Me trial, who and what was involved, what data was collected, and the objectives and expected outputs.

woman in bed on phone

Bump2Baby and Me mHealth Coaching Programme

The recently completed randomised controlled trial tested an innovative healthcare intervention, the Bump2Baby and Me mHealth coaching programme. This programme provided women with evidence-based healthy eating and exercise information, both during pregnancy and for the first year after birth, via a smartphone app and real-life health coach.

The trial (Trial registration: ACTRN12620001240932) ran in maternity hospitals in Ireland, the UK, Spain and Australia (Dublin, Bristol, Granada and Melbourne). The trial focused on working with women who were identified at high risk of gestational diabetes and who would therefore benefit most from this behaviour change intervention.

Pregnant women identified at high risk of developing gestational diabetes were invited to participate in the trial. Interested women were then randomly assigned to either usual care or usual care plus the Bump2Baby and Me mHealth coaching programme.

The trial began in early 2021 and we finished recruiting women to the trial in April 2022, exceeding our target of 800 participants. The trial ran until all babies born were one year old, and completed in September 2023.

The Bump2Baby and Me trial collected a wide variety of information including:

  • The health of mothers and babies involved;
  • How the project fitted within maternity services;
  • How much it cost; and
  • What the women thought about the intervention.

We are currently analysing the data collected during the trial and results will be available during 2024.

Mother on exercise bike

The right support at the right time

Through the app and health coach, women are supported to better self-manage their modifiable risk factors. Trained health coaches optimised engagement with the app and helped to personalise content for each woman and her baby, ensuring they only received the right information at the right time. Each woman received support through pregnancy (bump) to birth (baby) and for 12 months postpartum.

This intervention may provide a low resource system of care for appropriate weight management and improved outcomes for both mother and baby. Generating a robust evidence base is critical if Bump2Baby and Me is going to be able to be rolled out more widely.

Outcome measurements

The primary outcome of the trial is a reduction of 0.8 kg/m2 maternal BMI in the intervention group (at 12 months postpartum). The secondary outcomes will include the differences in the following measured during pregnancy and postpartum:

  • Gestational weight gain and weight status;
  • Maternal blood pressure;
  • Maternal physical activity and sleep;
  • Maternal psychological health;
  • Maternal and infant diet;
  • Metabolic markers including blood glucose and blood lipids;
  • Glycaemic status and GDM diagnosis;
  • Birth data including mode of delivery, birth weight, placental weight, and any complications;
  • Newborn and infant anthropometry (weight centiles, BMI z-scores);
  • Breastfeeding (any and exclusivity) and duration;
  • Infant development;
  • Infant physical activity and sedentary time.

What will the key project outcomes be?

The main outcome from the trial will be a validated Bump2Baby and Me mHealth Coaching Programme. The trial will also feed into the other three main outcomes expected from the project to deliver wider impacts for healthcare, the economy and society.