Bjerregaard AA, et al. - Through the Danish National Birth Cohort, first large prospective cohort with widespread concurrently gathered information on dietary habits from both pregnancy and adolescence, researchers investigated the longitudinal correlation between maternal diet quality during pregnancy and diet quality in early adolescence. A Healthy Eating Index as an indicator, with higher scores symbolizing higher adherence to prevailing evidence-based dietary guidelines, was made. Analyses on the basis of 19,582 mother-offspring pairs revealed that a high-quality score in the mother strongly prognosticates a high-quality score in the offspring. Thus, maternal diet quality during pregnancy was correlated with the diet quality of the offspring at age 14 years. These conclusions symbolize the significance of separating early dietary exposures from later dietary exposures when examining dietary aetiologies of diseases proposed to have developmental origins such as, for instance, obesity or asthma in observational settings.