My last period was Jan 21 ended Jan 27 2013 i have REGULAR 28 cycles, never missed a period, never late, its early sometimes not late.I was suppose to start Feb 19 2013 if i count 28 days from my last one am i right? I haven t gotten my period, i had pregnancy symptoms all week, exhaution, tender nipple breast , breats grew, can fit in clothes, gas, bloating , dizzy, moody. And i dont get these symptoms wen im getting my period, only tender breasts. But symptoms stopped yesterday and today, i just saw red clumpy discharge today Feb , i never see clumps i get thick blood when i start and through out my period. Did i calculate period time correctly? Am i pregnant?, Miscarrage? (if u could c pictures i send u how it looks)