Infant siblings and the investigation of autism risk factors

Table 4 EARLI biosampling time points by biosample and participant type^a

Sample	Mother	Father	Proband	Infant sibling
Blood	E, pre-2nd, pre-3rd, post-6 months	E	E	Post-6 months, post-12 months, post-24 months
Hair	E, pre-2nd, pre-3rd, post-6 months			Post-6 months, post-12 months, post-24 months
Urine	E, pre-2nd, pre-3rd, post-6 months			Post-1 week, post-3 months, post-6 months, post-12 months, post-24 months
Semen		E
Placenta, cord blood	D
Heel stick blood, meconium				D
Breast milk	Post-1 week, post-3 months

^aD, delivery; E, enrollment; EARLI, Early Autism Risk Longitudinal Investigation; pre-2nd, second prenatal visit; pre-3rd, third prenatal visit; post-1 week, 1 week postnatal; post-3 months, 3 months postnatal; post-6 months, 6 months postnatal; post-12 months, 12 months postnatal; post-24 months, 24 months postnatal.

ISSN: 1866-1955