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Table 4 EARLI biosampling time points by biosample and participant typea

From: Infant siblings and the investigation of autism risk factors

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    
  1. 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.