scared to go to the doctor

So I took a test a few weeks ago five of them acutually, 2 first response and then 3 clear blue digital. I have a doctors appointment the 27th of October I'm about 7w3d but I'm terrified I'm going to go to the doctor and they are gonna say nothing's there. My period is 18 days late and I'm just starting to be nauseous. But everyone keeps saying there is no proof till you go to a doctor.. idk how not to have anxiety when I have had two miscarriages both in the first few weeks.