Quantification of selection bias in studies of risk factors for birth defects among livebirths.
Dominique HeinkeJanet W Rich-EdwardsPaige L WilliamsSonia Hernandez-DiazMarlene AnderkaSarah C FisherTania A DesrosiersGary M ShawPaul A RomittiMark A CanfieldMahsa M Yazdynull nullPublished in: Paediatric and perinatal epidemiology (2020)
Selection bias was generally limited except for high mortality defects in the context of exposures strongly associated with livebirth. Findings indicate that substantial livebirth bias is unlikely to affect studies of risk factors for most birth defects.