Please help me - how far along am I?

Hey ladies PLEASE hear me out 🙏🏻

MC last month - started bleeding 8th Sept - 11th Sept.

Bled AGAIN 15th - 18th Sept.

No period.

Found out I was pregnant on the 14th Oct.

Am I 4, 5 or 6 weeks?!! No idea when I ovulated. I got two positive OPKs a week apart!!!

Doctors won't blood test me as my veins are shot - I've had too many blood tests. They said it "isn't necessary". Hospital won't scan me.

Worried sick x