＼Very simple! ／ All you have to do is enter your period. The app will inform you of your "most fertile time" and "due date of your next period." You can also enter your basal body temperature and weight easily, and the app will create a chart automatically. The chart can be output in PDF file. ＼All in one function supporting your pregnancy／ All necessary functions supporting your pregnancy are included in the app, ranging from estimate of your next ovulation date & menstruation date, manageme