I had unprotecred sex on 5th jan with my boyfriend for jst less than a minute...but he did not cum.. Also it was just sixth day of mY cycle..now for a day or two i m having very skight clear vaginal duscharge but that happens normally also..but today i m feeling slight pain in lower abdomen and feeling of pressure around vaginal opening...but  i have no other symptom like nausea or constipation of vomiting or anything else...Can i be PREGNANT?????????or are these pain n pressure due to approaching period or normal ? My cycle varies from 25 to 28 days