Assessment of Intellectual, Psychological and Behavioural Developments Between 6 and 9 Years of the Children Born to Hyperthyroid Mothers During Their Pregnancy

1. MAIN OBJECTIVE : To assess the consequences of a maternal hyperthyroïd during pregnancy on intellectual development of the child from 6 to 9 years 2. SECONDARY OBJECTIVES : 1. To assess the consequences of a maternal hyperthyroïd during pregnancy on the capacities of attention, learning process and the degree of hyperactivity of the child from 6 to 9 years. 2. To study if it exist differences of intellectual development, capacities of attention, learning process, and degree of hyperactivity in the child from 6 to 9 years, born to hyperthyroid mother during pregnancy, according to: * the etiology of the maternal hyperthyroïd (transitory gestation hyperthyroid versus disease of Basedow), * the use or not of a anti-thyroid treatment, * the rate of TSH néonatal (measured with the blotter by tracking with J3 at all the new born ones).