Could i ask your advice ladies..

My af was due 2nd of may she hasnt arrived yet .. i took a boots hpt on the 1st and i thought it was positive but was sure as i had mix reviews on here some ladies said it could be a evap ( the line appeared within a min) .. i retested monday with a pink dye test and i thought it was negative some ladies on here said they could see a line tho ... i have really bad nausea and need the toilet alot even if i havent had a drink lol i havent tested since monday but i have a ultrasound booked tomorrow to check for cysts etc i dont no if that would show anything tho :( according to my lmp i would be 5 weeks and 3 days if i was pregnant .. i was wondering if you kind ladies would have a look at my tests for me or could offer some advice my heads all over the place :( xx