good day im tin,27..i was just wondering,we had an unprotected sex nov 20,2016 until a while ago..my last period was nov.21,2016,now is my due and Ive had my period today,but some of the symptoms of pregnancy i have experienced like feeling sleepy,vomiting a bit every morning while taking a bath,headaches,sore and painful breast,lower abdominal and upper abdominal pain,,could i possibly be pregnant even if i have my period today..please help me