Ectopic vs miscarriage :(

Hi all... I am having an early miscarriage at 4w3d. As of yesterday (didn’t test this am) my tests were getting stronger, albeit only tiny shades darker at a time. Yesterday afternoon I started spotting pink/brown, which turned into full blown bleeding this morning. I’m devastated. With the hcg still going up as of yesterday, I personally am concerned about ectopic pregnancy. My dr believes it’s just a chemical pregnancy and nothing to be concerned about (just spoke w the nurse over the phone, not examined at all). I do have heavy waves of cramping, it’s worse towards the left side but I feel it on the right too. Any help or experiences with this is helpful. I don’t want to waste the dr’s time without a valid concern.... thanks...