Help/advice?

Recently I've had a pain in my boobs every time they're touched/leaned on. Suppose you could say there "tender" It only seems to be in the pink part of my boob and my nipples and it is quite sore but I don't think it's a growing pain as in nearly 17 and my boobs haven't grown for ages. 
Not only that- I've been feeling really dizzy at random points of the day and sometimes feel rather sick, (I'm not sure if this is just due to my anaemia as that has been a lot worse recently)
And also- been needing to pee a lot, but it's not there one minute and then the next I'm total bursting!!
Can someone help me? Are these early signs of pregnancy? (I hope it's not)..

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