Advice please

I am 7 days late and still no BFP I’ve being constantly nauseous can’t really eat anything my stomach is like a balloon my boobs hurt and have really noticeable veins all over them and I’ve being getting dizzy spells where I feel I’m going to faint has anyone got these symptoms and got late positives ? I have rang my DR and was told to take anti sickness tablets and keep testing what do u guys think a test I took this test today...if I’m being honest I’m freaking out now