Inclusion Criteria:  Mothers of children with a diagnosis of ASD, in pregnancy (before the 26th week of amenorrhea); The diagnosis of ASD of the older child has been made, according to the DSM IV-TR or DSM 5 criteria, formalized by a diagnostic evaluation including: the Autism Diagnostic Observation Schedule ADOS, the Autism Diagnostic Interview - Revised version (ADI-R) accompanied by a cognitive evaluation of the child (Wechsler/Mullen Scales of Early Learning/Raven's Progressive Matrices); Informed consent from mother and sec  Exclusion Criteria:  Presence of a clearly identified and unstabilized severe psychiatric disorder in the mother (confirmed by medical interview and DIGS questionnaire conducted at the time of the inclusion visit) and/or intellectual disability; Engagement in another form of individual therapeutic intervention. Refusal of either parent (for child assessment, primary criterion) Parents not proficient in French language Persons (mother or second parent) under legal protection, guardianship or trusteeship, persons deprived of liberty, under court protection, under psychiatric care, under constraint, admitted to a health or social institution for purposes other than research Persons with cognitive disorders or intellectual disabilities