cian. Generally, children start teething at a few months old, as early as six months, or as late as over a year old. 。After her son turned six months old, An Xiaotu eagerly awaited the day he would st...d uneasy, asking his family to confirm that he had not been injured in the past year. 。During that time, he had consulted almost all the renowned neurologists both domestically and internationally, b...