Functional changes after IUGR were not associated with airway remodeling (8, 9), rather our data implicated a shift in inflammatory phenotype; an increase in macrophages in the bronchial alveolar lavage (BAL) fluid from both male and female offspring with males also demonstrating an increase in interleukin (IL)-2, IL-13, and eotaxin (10). Here, IL13 is linked to fetal growth restriction.