“…Although the causes of many developmental delays are unknown, factors such as low birth weight, premature birth, birth complications, congenital infections, serious maternal illness during pregnancy, certain inherited conditions, exposure to toxins and family history of developmental delay may increase the risk. 1,[3][4][5][6][7] Clinicians should perform developmental surveillance on an ongoing basis and consider the possibility of developmental delay in children with signs that may suggest a delay in a developmental domain, as well as in those whose parents, caregivers or clinicians have concerns about development and those with important risk factors. Clinicians should remain alert for any social, economic or environmental factors (such as lower maternal education level, mental illness, neglect or maltreatment, poverty and English as a second language) that might reduce the likelihood of parents to raise concerns about their child's development.…”