Study setting
The trial (NCT04129359) was initiated in October 2019 and is planned to end in April 2024. Each of the 70 participating practices recruited up to 30 women at their first routine antenatal appointment. In this study, we only analysed data from women in the intervention group because only those were to use resilientchild.dk. Data from 31 practices located in two of five administrative regions in Denmark were analysed. 383 women were recruited for the intervention group. Intervention group GPs were responsible for introducing the women to resilientchild.dk at their first antenatal assessment. After consent, the GP entered the pregnant woman’s social security number into the trial management software REDCap [