The first year of a baby's life is the one that has more changes; at this age, growth and development are exponentially increased compared to the following years, besides being the stage where they are more dependent on the parents or relatives who care for them. It will allow them to learn more about the moment of birth, breastfeeding, the age at which each food is added, common diseases, and necessary care during this first year. It is aimed not only at parents but also at any caregivers (grandparents, aunts, uncles, and older siblings) who care for babies in their first year so that they have the confidence and knowledge of both their behaviors and achievements by age, as well as the strategies to be implemented to optimize their growth and development. It will help them better choose a good pediatrician, a childcare center, and the best car seat, and clarify controversial topics such as vaccinations and pediatric myths.