hello, i have some concerns. i became sexually activelike 3 yrs ago and lately my bf and I have had unprotected sex. for the last 2 months my period is really weird i am usually have real heavy period that last a week. and lately i been having light ones that last for 2 weeks ( it is like one day i have it and the other day i don’t have it and goes on.) then it has been 3 days that I had tender nipples. i have been having in last 2 days heavy period like i used to. i really need help please advise.