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Why do they need to do anything? There is nothing you have to be ashamed of. If something happened it was due to mental illness... not something that you need see a pastor about for anything besides prayer (which can be done without your being present and plenty of which you will get here). If you should visit with a pastor (of no satanic affiliation) be sure to take with you someone you trust who is a strong believer. Someone mature in the Lord, who is a righteous woman/man. I know you must be frightened, concerned, and even regretful (though you couldn't help any of it), but just remember that the Lord will use this situation for His glory. Just cleave to Him and the fellowship of other believers and compare EVERYTHING you hear to what you know about God and the Bible.
Thank you for your advice, and your prayers.