Hi we have been trying to get pregnant for about 4 months..ive always had irregular periods(every month but different days) my last period was feb.21 and I was expecting my next period around mar 20 or so but instead I only got brownish/pinkish discharge for 3 days but only showed on toilet paper..I took two pregnancy test one after discharge disappeared and the other a week later and both came out negative..I barely started feeling my breast sore but I usually have them before my period..I have also been feeling slight pain on ovaries once in a while..Could I be pregnant?