I am 18 years old. I got the bar implant 1 year ago I didn't getmy period for about 2 months. then I started getting a regular period. until about 2 months ago I am getting my period every two weeks and it is very heavy. I am getting very worried as I am sitting my Leaving cert this year and I am constanly tired and in pain from my period . Any advise/help would be greatly appricated.