Confused about how far along I am

This will be my third baby and for my other two my my period never showed and I knew I was pregnant. My period is every 21 days for 7 days. My period in December 2019 started on December 7th and ended the 13th, throughout December I had been complaining about feeling nauseous and getting bloated but every pregnancy test I took was negative.

So my next period was due January 3rd, but I didn’t start bleeding until the 5th. It wasn’t as heavy as usual(like if I could have only needed to change my pad 2-3 times a day), and it ended after 4 days. I took a pregnancy test a few days later and got a very faint positive.

I took another one a week later and got another faint positive. Then a week later I got a darker positive. If I go off of that “period” in January Im about 7-8 weeks. But my stomach is bigger than it should be and if I lay “wrong” I feel flutters in my lower abdomen. I haven’t been able to see a doctor yet due to insurance issues so Im pretty lost.

Wondering if anyone else went through this and ended up being further than they thought.