No idea if pregnant or not? First timer.. Help

[Ch39]

On day 35 of cycle so period more than a week late. Did an at home test 1 day after late period and didn't show anything. Did one today after 1 week and after 3/4 minutes there was a very very faint line (like had to hold it up to the light faint). I left the test after around 5 mins or so, went back after 20/30 mins and line is super dark. Gah.. Don't know what to conclude. Never been pregnant or even done a test..

Normally even a faint line = pregnant if it showed in the time on the packet eg between 3-10 minutes (depending on the brand)

You need to test again tomorrow morning preferably with a first response! Good luck x

Still confused! Took a clearblue digital in the afternoon yesterday and said pregnant 1_2 weeks. Then did the 2nd one of the pack this morning with first urine and says not pregnant. Waited a few hours and did a clearblue line test and came out negative. I don't know what to think now! Got a gyno appointment in 3 days but I don't want to stay in this confusion! Why positive and then suddenly negative. Feel the same in my body. No change or bleeding or anything. Any advice appreciated!