This happens when runny bowel movements last more than a few days and could be a sign of larger health concerns. (holistichealthjournal.me)
The elastics around the legs contain liquid and runny bowel movements. (earlymomentsmatter.org)
Plus, these diapers also have double gussets, a great feature for containing the runny bowel movements of newborn babies! (thinking-about-cloth-diapers.com)