Why am I having a long, heavy period?

Is this normal? I have always had very irregular periods, and this is the first time in a very long time I have not been on BC or Provera... So I am happy that I am naturally having a period.. But the one I am currently on is going on 14 days.. So is this normal for my body trying to get back on track without any kind of medication? I really dont want to go to the doctor because then he'll put me on more drugs, and I dont want... Have anyone else gone through this? My hubby and I are TTC, so I am hoping I can get a BFP soon!!1 THANKS AND GOOD LUCK MOMMIES TO BEEEEEEEEE!!