Characterization of the Natural History of Microduplication Syndrome 7q11.23

Inclusion Criteria

• •Diagnosis of 7q11.23 microduplication confirmed by Chromosomal Microarray Analysis or qPCR.
• •Aged \> 5 to \< 50 years
• •Whose maternal language is French
• •Having signed the informed consent and/or for whom parents/legal guardian have signed the informed consent.
• •Affiliated to national Health Insurance system (sécurité sociale) or parents/legal guardian affiliated to national health insurance system Each 7DUP patient will be matched to a sex- and chronological age-matched control. Data from controls will come from the CREAT\_criteria study (NCT 06018519). Each 7DUP patient will be matched to a sex- and mental age-matched control. Data from controls will come from the CREAT\_criteria study (NCT 06018519).