Typically introduced in the throes of toddlerhood, potty training pants help bridge the gap between diapers and regular “big kid” underwear. Designed to promote independence, they feature ...

Before long, the diaper company Pampers was urging parents to relax a bit—and to delay potty training into toddlerhood. In 2007, Pampers introduced a diaper for children who weigh more than 41 ...