Need help

Sincere

So it’s been about almost 3 months since my girlfriend and I had our baby boy.. my girlfriend had a c-section and we are in a situation where my girlfriend says it burns while we are doing the deed we went to her obgyn and they ran test and found out she had bacteria infection and we got that treated now when we try to do it she says it still burns when we do the deed we are lost for answers and she blames her self for it anything y’all can think of that can cause this I did a valuation on it and poked some spots in side her vagina it’s seem to be every where I touch she says it burns inside where I touch are obgyn keeps blowing it off saying it’s normal for u to feel some discomfort for a while after having a c-section we are loss for answers and want to get to the bottom of this please anyone help😭😭