Abstract: Objective: Design a remote management APP for mental health of pregnant women with fetal abnormalities during pregnancy termination, and evaluate its usability and application effect, in order to provide continuous psychological and social support and alleviate their negative emotions. Methods: Based on psychosocial intervention program for women undergoing termination of pregnancy for fetal abnormalities, the psychological, social, and information support in the intervention program was transformed into an APP. Formative and summative usability evaluations were conducted by using focus group discussion and System Usability Scale. Measure the levels of depression and social support of the intervention group and control group. Results: The main parts of the APP include stage assessment, psychological support, peer support, and information support. The summative usability evaluation is good, and the levels of depression and social support in the intervention group after using the APP were significantly improved than the control group (P<0.05). Conclusion: The APP is user centered, and realizes intelligent continuous care, which helps to effectively reduce pregnant women's depression, improve social support level, and promote the mental health management of pregnant women with fetal abnormalities during pregnancy termination.

Key words: fetal abnormality; induced labour; pregnant women; psychological health management; application; telemedicine