could i be pregnant? i had my period aug.10 this month i had what i think may cldve been my period,but it started sept.4 and lasted until sept.7 first day of bleeding it was red and light bleeding second day brownish reddish and third was brownish dark pinkish. while bleeding my breast hurt,but after bleeding they didnt hurt. i had unprotected sex and my boyfriend ejaculated in me sept.3. couple of days after bleeding i vomited at night then the next morning. i tried to eat and my body acted as if it didnt want the food. it did this for 2 days sept. 13 my back was hurting,but only for that day. when i squizz my nipples a little bit of white stuff comes out. could i be pregnant