Eight years later in 1973, Japanese doctors advised mothers to avoid «prolonged extension of the hip and knee of infants
during early postnatal life».
However, there was no significant evidence of an association
between early postnatal life (during the first year of life), recent and current exposures to outdoor air pollutants with lung function at preschool age.
«Policy makers need to heed data such as those presented by Morales et al as limiting exposure to traffic - related pollution during fetal development and
early postnatal life is one way that the burden of respiratory disease can be decreased.»
Pcdh - α gene expression during rodent neural development is highest in
early postnatal life (until PD21), when it is involved in specifying the innervation of serotonergic neurons in the hippocampus [39].