UPDATE ! Just wanna know

Hey ladies ,

So af was due Feb 10th and still hasn't shown , which for me is really odd. I have taken 4 tests and all negative so far, but I have all the right symptoms ... sore boobs, nausea, missed period, fatigue, lower back pain and some slight cramps, I don't know if I should go to a clinic.or.waot it out a little longer , stock up on cheap tests and keep testing myself? It's so disappointing to see those negatives when it feels like this could be my month! Any advice is great! Thanks ☺ and baby dust to you all !

Update:

OK so this morning I started bleeding in the shower , it's very light but I have cramps, is it possible this is implantation ? Could I have ovulated late I'm so confused , probably just my period and I'm out this month 😔