I Was Pregnant Of 4 Weeks Nd My Beta HCG

I was pregnant of 4 weeks nd my beta HCG was 470 on 20 july.
My dr suggested me for one other Beta HCG and ultrasound on 23 july.
My beta HCG was 400 nd there is nothing in new ultrasound.. my dr told me that it was failing pregnancy.. i had miscarriage..
But I was having spotting throughout this period from 2 july to till present even after my miscarriage..
2 days before I went tomy dr she suggested me one beta HCG nd ultrasound
On Wednesday my beta HCG was 215 nd theu found some.tissue in ultrasound..
But my bleeding nd spotting didn’t stop since 2 july
Im confuse wat to do
Plz help me
Its 12 August now ..
Thnx