That is what I understand Jeremiah is told. If it applies to Jeremiah then it applies to the rest of us.
The soul has a history and depending upon what one did in that history determines much about what role/life choices are made in this flesh life. Also explains what Paul says that some were elected or justified or "having predestinated us unto the adoption of children by Jesus Christ to Himself, according to the good pleasure of His will.
Eph 1:11 In Whom also we have obtained an inheritance, being predestinated according to the purpose of Him Who worketh all things after the counsel of His own will;
Ecclesiastes 1:11 There is no remembrance of former things; neither shall there be any remembrance of things that are to come with those that shall come after.
I think our soul existed in the mind of God until we were born... thus conceived before we were formed. I do not believe that is to say that we literally existed, or had any form of free-thought or 'history' before we were born... only that God knew about what we would be like when He DID form us in the womb.