Fig. 2

Participant flowchart including estimated recruitment rates by CNV subgroup (pathogenic CNV or variant of uncertain significance). Abbreviations: ASQ:SE-2 (Ages and Stages Questionnaire: Social-Emotional-2); ASQ-3 (Ages and Stages Questionnaire, third edition); BITSEA (Brief Infant-Toddler Social and Emotional Assessment); BRIEF (Behaviour Rating Inventory of Executive Function); BRIEF-P (Behaviour Rating Inventory of Executive Function – Preschool version); pCNVs (pathogenic copy number variant); MPAS (Maternal Postnatal Attachment Questionnaire); VABS (Vineland-II Adaptive Behaviour Scale); VUS (variants uncertain/unknown significance); WPPSI-IV (Wechsler Preschool and Primary Scale of Intelligence IV)