Thoughts on Disclosing Childhood Abuse to the Authorities

Harm None? How do we judge
Things have moved on a bit since I last thought about this.
I was asked to talk to social services, who informed me that they would want to consider what action they would take based on my story and that the natures of things was that they might have to also refer this to the police.
So the question became do I talk to them, to tell them my story or not? It is not in this case a simple equation of who will be harmed by my actions and what offset benefit might there be. It is a question of where responsibility lies.
The core of the problem is that if I was to open up to them then the control of what happened with information, and what the consequences were, would no longer be in my hands, and it would be me of my own free will giving that control over to them. How does that sit with the ideas of personal responsibility imbedded in the injunction to ‘harm none’?