The CHILDSTRES research project (PID2019-110115GB-I00) aims to verify how the psychological stress of the mother during pregnancy affects the neurodevelopment, temperament, psychopathology and stress of her baby up to 5 years of age. For this, a group of international Health professionals composed of Psychologists, Doctors, Midwives and Pharmacists with extensive experience in the field of research, work with the illusion of being able to deepen our knowledge of the consequences of fetal programming.