This study applied digital technology to a comprehensive lifestyle intervention strategy to design a digital behavioural intervention programme suitable for weight reduction in overweight obese infertile patients in China, and assessed its intervention effect through a randomised controlled trial.The main questions it aims to answer are:
1\) Design and implement a digital behavioural weight loss intervention programme; 2) Evaluate the impact of digital behavioural interventions on weight loss outcomes and health outcomes.
Participants will be randomly assigned to a control group and an intervention group.
The control group will receive only routine health education and the intervention group will receive an 8-week digital behavioural intervention. At the end of the intervention, the follow-up period will be one year for reproductive outcomes.