Pregnant or what?

Eileen • 17
My boyfriend and I had unprotected sex a few weeks ago, I missed my period, it's 2 weeks late and I still have not gotten it. My boobs are sore some times, I feel nauseous most of the time. Today I had cramping. There is also white discharge, I took 2 tests about 2-4 days after my missed period but they were
Both negative.. I don't know what this means someone help me! 

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