Fig. 3.

Preferences about ASD test characteristics. (A) The majority of parents preferred saliva (92%, 210/228), compared to blood (6%, 13/228), spinal fluid (1%, 3/228), and urine (1%, 2/228). (B) Parental preferences regarding the extent of genetic/epigenetic results to be returned indicated that 76.0% (170/223) of parents would like to receive all epigenetic testing results regardless of clinical ramifications, 15% (34/223) of parents preferred to receive results that showed epigenetic changes associated with a disease, while 9% (19/223) preferred to receive only epigenetic results associated with treatable disease states. (C) The majority of parents indicated a preference to obtain results of a test for ASD for their child either at conception (34%, 78/231) or at birth (37%, 86/231). 17% (40/231) preferred results at 12 months, while 12% (27/231) chose to receive them when their child was 2 years of age