Question: i missed my period going on already for the 6th or 7th day. my chest hurts really BAD (my chest never hurts unless im gonna start my period and it only lasts for 1 day) i keep getting this wied cramping and it doesn't feel like normal cramping.and i woke up to wanting to throw up and i did about 2 weeks ago. i took 3 pregnancy tests but they all came out negative. am i pregnant or?? ?