A recent study by Partin et al found that 63 of children who encopresis had a history of painful defecation before the age of 36 months. It is possible that this leads to the fear of defecation and a learned behavior of fecal withholding. .
Tn sng c M: Ln ht sut ngy: Cha Pi rt sng knh c M v ngi thng ln chui hng ngy. Trong tu vin, mt thy hi ngi: Cha ln bao nhiu chui kinh Mn ci mi ngy?
ABG - Aduh Yank
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