hi my period lasted only 3 days the first two days it was reallyyy heavy and had bad cramps the third day it was really light and it was my last day of my period my period normally lasts 7 days long and never had experienced this before i had unprotected sex me and my boyfriend tried getting pregnant for the last two years and im 21. i have diahrrea and i get stomach itchy and around belly i get cramps every morning and feel a little nauseas at times last week my boobs were hurting and i felt my boobs heavy and sore could i be pregnant?