Confused and need your kind Advices

Hi Mummies, I have a question. I m 38 weeks. Tryin for vbac. And my last pregnancy was c sect as was twins. Tis time Ard, wanna try for normal. I m 1cm open and came bk home. The next day was havin scattered brown discharge. And it stop aft a while. Next day, feeling nausea and terrible back pain and time to time cramps. When should I go to to hospital. Others scarin me I should go to go to hospital once I saw the brown discharge but I don't wanna go and lie in the hospital as my kids also need me at home. U know the mum instinct. Lol. So feeling confused and need some advice. Thank you Mummies.