This is my life right now. It is beyond frustrating because just when I think I have it all figured out it leaks again!
We now use Pampers overnight diapers with underwear on top. And if kiddo wakes to nurse a lot I will change his diaper. But, he's 2.5 years old and I haven't changed his diaper overnight since he stopped pooping overnight! This makes for an unhappy little guy when I have to change him.
We seem to have leaks out the top of the diaper, over his hip. That's why we have the underwear on top. It seems to hold his diaper snug around his waist. We have also used cloth diaper covers but we only have 1 with Velcro and the snaps just don't adjust right.
Usually going up a size in diapers is all we needed to fix the leaks.
I understand completely the frustration so I really, truly hope you figure out a solution soon.
We tried:
Going up a size
Huggies little movers (allergic reaction plus leaks)
Backwards diaper
2 diapers layered
Cloth diaper inserts inside the disposable
Cloth diaper cover over the disposable
Underwear over the disposable - this one has worked the longest.