Am i crazy?

Yesterday morning I took a test and it was VERY faint like I mean, I could see it but probably no one else unless they were LOOKING for it like me lol but I decided to take another rest this morning. I had a miscarriage on 8/5 and bled til 8/9. Then had my actual period on 9/11...I'm figuring o should have my period around the 11th of october as well. I am nervous about this test because its the FRER Curved test and I know people say those things are awful but I will be going to get the regular FRER ones today to know for sure.