◎Notes◎For those who participate in clinical research using this application, we will issue an ID and password separately in advance. Clinical research is currently underway.■ About this app"Rising Mom" is a mental health support app designed to prevent postpartum depression.Currently, about 10% of pregnant women are said to suffer from postpartum depression. Do you often feel stress in your daily life? Are you worried about pregnancy and childbirth, or do you feel depressed for a long time? In order to maintain mental health, it is necessary to increase resilience to stress."Rising Mom" is an app that is expected to increase resilience based on the scientifically proven iCBT (Internet Cognitive Behavioral Therapy) method. Resilience refers to mental endurance and resilience. Improving your resilience will help you cope better with stress and give you peace of mind."Rising Mom" can be used by participating in clinical research conducted by Nagoya City University and Kyoto University. The purpose of this trial is to examine in detail the resilience improvement of the app for expectant and nursing mothers, and to develop a more effective app.