1) your wife is 8 months pregnant now
2) she needs her parent support at this stage
3) dont aggravate the issue as it would affect the unborn child
4) let the child be born and after period of year or so visit a family counsellor with your wife to resolve all disputes
5) dont think of filing for divorce at this stage
6) audio recordings are admissible in evidence .
7) wife abuses you and your parents it amounts to mental cruelty