Invitae array CGH blood test (4 ml purple EDTA and 4ml Lithium Heparin sample tubes) or saliva test to identify chromosomal abnormalities that may be associated with developmental disorders including: developmental delay (DD), intellectual disability (ID), multiple congenital anomalies (MCA), dysmorphic features, autistic spectrum disorders (ASD), seizures, epilepsy, 22q deletion syndrome (Di George Syndrome) and others.