Key Indicators for Moving Up Diaper Size Causes of Discomfort and Red Marks: Tightness: The most common culprit is a diaper that’s too small or not properly adjusted, causing tightness around the thighs, waist, or legs. This can restrict movement and rub against delicate skin, leading to redness and discomfort. Leaks and Blowouts: Leaky diapers that stay against the skin for prolonged […]