Calculadora Obstétrica UV is a free Android app that provides Matrons with a tool to calculate various aspects of pregnancy. Developed by Cristian Carreño León, this app is licensed under the Universidad de Valparaíso and was introduced inThe app is designed to calculate the gestational age based on the date of the last menstrual period, the operational date of the last menstrual period, the probable date of delivery, the start date of prenatal rest (valid for Chile), the fetal weight to gestational age ratio (according to growth curves for Chile in 2010), and the calculation of uterine height based on the weeks of pregnancy (valid for Chile).

The app is a useful tool for Matrons to calculate these important aspects of pregnancy. The app is easy to use and provides accurate calculations. The Universidad de Valparaíso's Faculty of Medicine - School of Obstetrics and Childcare developed the app, and they continue to update it with new features. Overall, this app is a great resource for Matrons and anyone involved in pregnancy care.