Календарь беременности ФЭСТ is a free mobile application that offers a comprehensive pregnancy diary to help expectant mothers prepare for childbirth. The app provides various features such as calculating the due date, accessing information on baby names, tracking daily changes in the mother's and baby's body, monitoring weight gain, and keeping track of contractions and baby kicks. Additionally, the app offers maternal gymnastics (by trimester), video tutorials for young moms, and information on maternity and nursing lingerie. There's also a countdown feature to help expectant mothers keep track of their pregnancy milestones and prepare for childbirth. Finally, the app allows users to create a beautiful diary with photos and notes, available in two styles, to cherish the most memorable and exciting period of their lives.