From the last menstrual period to the birth of the baby, you can calculate the due date and pregnancy weeks by the last menstrual period, you can reverse the last menstrual period by the due date, you can calculate the birth days of the baby.
Simple, fast, clear and intuitive.
[Disclaimer] Users only use this app to make predictions, and they should also seek medical advice before making any medical decision. We believe that users use this app only for prediction and use, all consequences have nothing to do with the developer and Apple, and the user is responsible for it.