Antecedent events can also include the absence of something, such as being ignored or not able to do something the child or young person would like to do.
Gall digwyddiadau blaenorol hefyd gynnwys absenoldeb rhywbeth, megis cael eu hanwybyddu neu beidio â gallu gwneud rhywbeth y byddai’r plentyn neu’r person ifanc yn hoffi ei wneud.