i had my period dec 13 had sex unprotected (trying to conceive) from dec 23- current sometimes multiple times a day have taken a handfull of tests two faint positive rest neagitive my period was due january 10 and the 11 & 12 i started "bleeding" an orange color then went a brown color then stopped. Have taken two more tests yesterday evening still neagative. I have sore nipples and they are bigger (the actual nipple part) and darker very tender bloating weight gain frequent urination heartburn, any ideas?? Am i preagnant or no?