7 weeks-bleeding, light period ache and 2 clots

[lissistar]

Hi girls, here is my story, I am wondering what to do next.
We were trying for our third baby, did preconception care and everything so were confident this pregnancy would go well as with my other two. I have 2 beautiful boys -6and 4yrs. I should be 8 weeks on Friday but last Friday at 7 weeks, I saw brown spotting in my knickers when I was changing for bed. I put on a pad and in the morning there were about 5 spots. I stayed in bed all day reading and staring out the window trying to keep calm. I bled a bit more but I tried not to be that worried.
On Sun, I still stayed in bed all day as I was still bleeding and I had a mild ache in my lower belly unless I lay in a certain position. It wasn't like labor or even severe it was just a mild ache and when I lay a certain way, it would stop. The bleeding was worse that day.
I spent Monday at my best friend's house as she has had 5 m/c's and she was helping me thru, on Monday night I lost another clotty thing about 1/2 the size of my palm.
I'm still bleeding but only lightly now and I still have the mild ache in my belly that I've had the whole pregnancy. I don't know what to do next. I did a pregnancy test today-Wed which is 5 days after I started bleeding and it's still positive. I would be 8 weeks on Friday which is 2 days from now. I've been reading stories of ppl bleeding and passing clots and their babies being ok but I dont want to get my hopes up. I cant understand why my baby would have died as I did everything I could to be healthy. Also everything I've read on m/c says the pain is severe and mine was far from severe, it was a mild ache. i dont know...
Lissi
ps does anybody know if you can self refer to get an ultrasound without needing a Dr? I don't have one and don't want one at this point without researching more into them but I think I want an ultrasound maybe. I live in a Perth suburb. Thank you for your help.