Don’t know what to think!

I’m now 15 days late 😳 (never been this late!) got a test done at drs Thursday but hadn’t taken a test at home since Sunday last week...done 3 altogether the whole time and all negative yet keep getting odd twinges in bottom right and left side when trying to get comfy in bed or in general, boobs are more sore now and they weren’t at beginning with appetite being off with nausea and dizziness. I give up when nurse refused to do blood test for me this week 😞 any advice please lovely ladies?? X