Personalized Gastroenterologist Gifts For Kids Infant Romper. My Mommy is the Worlds Best Gastroenterologist Infant Romper - White has a worlds best occupation logo for the son or daughter whose Mom is an Gastroenterologist. Fun Gastroenterologist baby shower gift idea. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)