So confused???

So as of lately like the last two months I haven't had a period all my tests are negative...I have been feeling like slight cramps ever since my period was supposed to come last month it's been off and on I wake up feeling nauseous and as of recently my discharge has started getting super sticky it went from clear and sticky to white and sticky and there has been a lot more of it but still my tests are negative I'm super confused

That's just a little bit any ideas of what could be going on I cant go to the doctor right now do to insurance reasons that I'm trying to work out so if anyone has any ideas please let me know