Hugs to you hun, it's very stressful. With DS3 I bled almost constantly from about 5 weeks to approx 9-10 weeks. Not necessarily a lot, but it was there on liners and when I wiped. In my case, I had progesterone issues (which I hadn't had with my first two pregnancies). I didn't have any pain, but there were instances where I had gushes of red blood ... it nearly did my head in. I had my hcg and progesterone levels done approx every 4 days for several weeks - it was how we knew without doubt that progesterone was the issue (I ended up with progesterone pessaries).
Good luck hun, I'll be thinking of you xx