Welcome to the new pediatrics tutorial series, in this tutorial, there is a general introduction of pediatrics, how the pediatric population is dynamic, some information about low birth weight babies and preterm babies IUGR is explained in detail. Causes of IUGR can be remembered using a mnemonic: R E T A R D A T I O N Followed by types of IUGR, namely Symmetrical and asymmetrical IUGR, PONDERAL INDEX and how increased levels of cortisol, adrenaline and erythropoietin effect the new born baby. we end with the associations of IUGR, which can be remembered with a mnemonic, CHAMP