There are few other stressful events that occur in a child's or adolescent's life that have as potentially profound and lasting impact as the death of a parent. (link.springer.com)
Things like a new baby at home or a move or a change in the family, or any other stressful event can cause a child to regress from their potty training skills. (kidsinthehouse.com)
This condition is often triggered by an infection, bleeding or other stressful events. (sciencedaily.com)