<span><span>Baby slings and other carrying aids now have become standard equipment. They come in numerous designs, colors and sizes. But what should we be mindful of when using them, when should we start using them and how long should we do so? In this popular, up-to-date guide, parents can find all the necessary background information, including health aspects and carrying methods. Includes the latest scientific findings and practical step-by-step photo instructions. </span></span>