The custodial parent may disallow contact with the non-custodial parent.有监护权一方的家长可能会不准孩子与非监护方家长接触。Inevitably, when both parents have custody of the child, there's a lot of to-ing and fro-ing between them for the child concerned.当父母双方都对孩子有监护权时，孩子不可避免地要在父母之间不断地来回奔波。