Associations between prenatal POPs concentrations in either maternal or cord blood and thyroid hormone levels of newborn infants.

‘-’ no association;‘↑’ positive association;‘↓’ negative association (pBlank cell means data not available. ‘fT3’ free T3; ‘TT3’ total T3; ‘fT4’ free T4; ‘TT4’ total T4. In the present study, cord thyroid hormone levels were adjusted with maternal thyroid hormone levels in the model. Unless otherwise noted, all thyroid hormone measurements were from cord blood or cord serum. ‘s’ indicates the measurement in bloodspot of newborn infant.Associations between prenatal POPs concentrations in either maternal or cord blood and thyroid hormone levels of newborn infants.