When a child develops a psychological disorder, even a mild one, early diagnosis is essential to provide a timely and appropriate intervention that can improve the child’s symptoms and development. Early identification can prevent consequences of differing levels, in the short and long term, in the individual, in their family and in society as a whole. Hence the importance of the paediatrician’s point of view and clinical knowhow in identifying potential disorders early, but also of the parents’ views. It is therefore important to actively involve parents in initial diagnosis. In this regard, within the NASCITA Project, a study branch aimed to build a shared, active approach between parents, paediatricians and neuropsychiatrists/psychologists was activated for the 2-year health assessments (well-child visits) phase. Three tests were used: the M-CHAT-R (Modified Checklist for Autism in Toddlers, Revised) to evaluate language, social skills, behaviour, sensory areas; the PSI-SF (Parenting Stress Index - Short Form) to verify the degree of discrepancy perceived by the parent between the child’s requests and their ability to deal with them properly; the DERS (Difficulties in Emotion Regulation Scale) to highlight the difficulties of each parent in recognising, interpreting, and managing their emotions. The tests were given to 380 parents (142 couples, 215 mothers and 23 fathers) by 45 family paediatricians during the well-child visit held at two years of age. In all, 33 children (9%) resulted at risk, with a score of ≥ 3, 1 of whom was found to be at high risk. For 64 children (16.8%) at least one of the parents tested positive for PSI-SF and for 19 (5%) children at least one parent tested positive with the DERS. After combining the results obtained from the three tests and the clinical evaluation and by assessing the child’s condition with respect to those results, the paediatrician can provide the parents with a concise description of what emerged and the specialist with a summarised report. Such an effort leads to timely, shared communication within the parent-paediatrician-neuropsychiatrist triad that includes specificity of intervention and that can contribute to the effectiveness of the response.