If frozen chicken is taken out of freezer, thawed, then put back in, is it safe to eat?

I had taken it out of freezer on a Tuesday, hopein that itd thaw to eat it Wednesday night, ended up not eating it, it sat in fridge til Saturday, It was put back into freezer ....My question is would it be safe to eat if rethawed again??Thanx in advance, I want no one to get sick....