Helppppp has this happen to anybody? Anybody retest & get a bfp & had a healthy pregnancy

I went from having pregnancy symptoms to barely any and now since starting my 6th week my appetite has increased a lott not to mention bloatedness is starting to affecting laying on my tummy on & off nausea my emotions have been everything.. I had tooken a couple tests before i missed my period and got faint faint faint bfps so i waited to miss my period (was due june 10th) tested the 11th & 13th got my slightly more noticeable bfp then decided to test on the 17th & got a bfn.. now i would be supposedly 6weeks and 3 days pregnant help???! My last gyn appointment is july 2nd @2pm should i test before then or just test at my gyn mood