Afraid

Ok so my boyfriend an i has been having unprotected sex for the past three months he has been ejaculating in me. Last couple months I have been taking the plan B pill. My period came on Jan28-Feb3 we have been having sex since. Now im waking up feeling like i want to vomit an i have been sleeping all day an feeling bloated my vagina has had a white thick discharge an during sex i am extra extra extra moist beginning to get worried. Should i be??