Just coming across this thread now... one of the ND's we saw suggested the IgG and we still aren't sure if we are going to do it.. (cost factor of course

) It would be to try and determine Ds2's sensitivities, but to do so - they would do the IgG for both Dh and I. The hope would be in finding anything we are sensitive to, and then I can take those things away from my diet, as Ds2 is still exclusively BF.
The IgG for the 2 of us would be $500... the stool test, another $300..

It's getting pretty expensive, but I just don't know what else to do.
We are following the GAPS diet with very promising results, but things still aren't perfect and I know Ds2's little gut still needs a lot more healing.
I know for sure casein and all grains are out.
Still not sure about these tests, but I feel like I'm not exploring all my options until I've done them, kwim?