How can I comfort my niece?

She has be diagnosed with long-term severe fecal and urinary incontinence. She is in 3rd Grade at Beaufort Academy. She does wear diapers as powerfully as odor cover. She often have constipation, diarrhea, and painful bowel movements - regularly in class, where on earth she may cry,but is comforted by her friends. By changing her damn diaper