It is not uncommon for parents to get alarmed with pink spots in diapers of newborns. Uric acid crystals in the urine dry on the diaper to form a salmon pink powder. It is not an uncommon occurrence in breast fed babies. It is absolutely harmless and nothing to worry about. However, if you see it in every diaper it could mean that your newborns urine is very concentrated which could happen if he is not getting enough fluids.