Can Tourette syndrome be detected during prenatal examinations?
Tourette syndrome, also known as pediatric tic-tourette syndrome, generally cannot be detected during prenatal examinations. The specific analysis is as follows:

It is currently impossible to detect pediatric tic-tourette syndrome during prenatal screening, primarily because the underlying disease mechanisms are not yet fully understood and there are no specific diagnostic markers. The condition may be associated with genetic factors, imbalances in brain neurotransmitters, environmental stimuli, and psychological factors, rather than being caused by a single chromosomal or gene abnormality. Therefore, existing prenatal tests are unable to capture such complex, multifactorial interactions. Moreover, symptoms typically do not become apparent until the preschool or school-age years; fetuses usually show no obvious abnormalities during pregnancy, making it impossible for routine ultrasounds, Down syndrome screening, and other prenatal tests to predict future development of the disorder.
In daily life, provide children with understanding and encouragement, avoid excessive criticism or blame, and minimize mental stress. Create a relaxed and harmonious family environment, ensure adequate sleep and regular作息 (daily routines), and prevent overexertion. Maintain a balanced diet and reduce intake of spicy, stimulating foods and those containing caffeine. Encourage children to participate in gentle physical activities and hobbies to redirect attention and alleviate tics. If symptoms persist or worsen and begin to affect normal daily functioning, seek professional medical help promptly to support the child's healthy psychological and physical development.