Confused!

Ok, so I have had irregular periods ever since I quit BC in 2013. I went to the OBGYN in February for a preconception/wellness check and was told I should be fine to conceive and all my test results were normal. Well we starting trying and nothing... Long story short, I ended up needing a progesterone supplement at the end of August to kick start my period and to hopefully get my body regulated to conceive better. I got AF the very last week of August (ended the 1st of September). We BD every one to 2 days and I should've started my period last weekend but nothing. So I had taken a test and got a barley there super fain possible indent line... But that was it the rest were negative. I'm on CD42 now with mild on and off cramping, loss of appetite, more urgent need to urinate, extreme fatigue but still no AF and no BFP. I'm so confused! Anyone else have anything like this happen?