“…Aspects such as a family history of constipation, an unstable parental relationship, genetic factors, diet, psychological and psychiatric factors, social habits, cultural and social beliefs, the parent-child relationship, stressful events in the family, routine activities and toilet habits, have often been found to be associated with FC (Amendola, De Angelis, Dall'oglio, Di Abriola & Di Lorenzo, 2003;Farnam et al, 2009;Poenaru et al, 1997;van den Berg et al, 2006), including stubbornness in general and stubbornness with respect to using the toilet (Burket et al, 2006). Some children with constipation were toilet-trained at an early age and are afraid of sitting on the toilet because they associate evacuation with a painful experience (Motta, Silva & Castro, 2010;Rasquin et al, 2006;Silva, 2009).…”