There's really nothing we can do. We can't tell you if you're pregnant or not, we'd need either your urine or your blood to do that, which isn't possible over the internet.
Pregnancy symptoms are almost exact to pre menstrual symptoms, including sore boobs and having to "wee" a lot. So going by symptoms alone is not wise.
Wait another week. If you still haven't gotten your period then try another pregnancy test. Use first morning urine, and follow the directions exactly. You could also go to your doctor for a more accurate blood test, but you don't need to go, that's just an option.
Good luck.
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