Hi my last normal period was May/27/2016 I had what is suspected to be a period June/13/2016 started out red(light) turning brown then a pink(light color)discharge, my regular period was susposed to come June/22 still no period July/3/2016 My fiance had sex June/7 and 9th when I was susposed to have been ovulating, I ve been having slight cramps, lower back pain, acne, sore and swollen breasts, constipation, dizziness, nausea(at times) extreme thirst despite my water intake 4 pregnancy test all negative?