hi my last period was on august 24th i never miss my period it was due on the 21st of september and never came i took 2 pregnancy test the both came back negative ive had pms signs but no period so 2wks ago i started prenatal vitamins yesterday i took a bhcg blood test but wont get back the results until tomorrow monday 12th of october.what have me scared is that same yesterday after the test i wen to the bathroom n saw some smears of blood n slight lower back pain(10/10/2015) then bright red blood with some tissue but only when i wipe its not enough to full a pad am really scared because i ve benn trying for so long. am still seeing the blood today 11/10/2015, should i be worried...pls help