Hi Chips
I really feel for you.
I suffered prolonged sexual abuse as a child too. My abuser was a close family member who abused myself and my sister and at least one of our friends for as long as I remember until I was about 10. When our friend confided in her sister, we were forced into telling our parents - we expected a massive reaction and fallout which, quite frankly never came. Our parents stopped unsupervised contact with our abuser but NEVER confronted him. I understood their reasons at the time - it was at a time when there was much publicity about children being removed from their parents by SS even if it was not the parents who were carrying out the abuse and they were scared that would happen to us. The abuse stopped, but nothing else changed. I felt as though it had been swept under the carpet and it was never mentioned. Myself and my sister were still involved closely in our abuser's life right until his death in his old age. I felt that my Mum was disappointed in me for not attending the funeral but it was the first time that I felt that I could rebel against what was expected of me.
Many years have passed and our difficulties are very rarely (I could count on 1 hand) been mentioned or acknowledged. I remember one time in particular when my sister was going for some gynae investigations at the hospital and our Mum was very confused at how distressed my sister had become during a very invasive procedure - when I mentioned that it was hardly surprising, she was horrified "do you think it might be to do with that?!?" - erm, yes!!
Anyway, during my adult life - I have been in relationships where I have felt it was time to explain away my hang-ups and fears with the truth (I felt as though I would feel free if the truth was out there). I have told my story 4 times to the men who I have had serious relationships with - 2 of these men interrupted during my story and asked if I was going to beak the news that I am really a man (I am not), one was not really affected by what I had said, and one pretended to have "known" due to the in depth (and totally fictitious) police training he had had.
1 of my female friends knows what happened to me (not the details, just that I was abused) but not my closest friends - I feel that telling them couldn't make us any closer.
I had counselling following the discovery of the OW during my marriage - although this helped at the time, I can't help feeling that apart from me (and my sister) no one actually gives a shit what happened to us.
So, I think what I am trying to say is - don't let it ruin your sanity if the massive reaction you are expecting doesn't happen. It can't possibly affect those around you as much as it affects you (possibly on a daily basis).
It is part if who you are, part of your life story, but not necessarily part of theirs. Hopefully, you will be able to open up some dialogue with the people who suspected it was happening, and they may treat you exactly the same after they know.
I know that you may feel differently to me - that I wanted somebody to acknowledge that things could have been dealt with better, but people react how they react.
I am very lucky to consider my parents and my sister to be my best friends - if you asked my opinion of my parents, I would, without a doubt tell you that they are amazing - which they are. I hope yours can still be amazing - the very best of luck, I hope you get what you are hoping for