The purpose of this questionnaire is purely to provide information. Onset of developmental milestones usually spans across a wide age range. This questionnaire is by no means a diagnostic tool to detect any developmental delays in children. Failure to meet these milestones should not be considered as a delay in developmental milestone. However, if you are concerned about the onset of developmental delay in your child, please speak to your paediatrician. Also, results may vary depending on response provided.