Are heavy periods with clots normal if you've had it that way for a long time?

Hard to say: It's hard to say what is "normal"--what you are describing is common and may be your normal or could be a sign of rime thing like a uterine fibroid or polyp. Even if it is your normal, that doesn't mean you have to just live with it if it is interfering with your quality of life. See a provider for evaluation to see if it is just normal for you and what your options are.

No: Heavy cycles with clots is not normal. Causes of menorrhagia are uterine tumors (fibroids), endometrial polyps, hyperplasia, blood disorder, or cancer. You should see your gyn for a pelvic ultrasound, exam, and endometrial biopsy is needed. Labs would include checking for anemia, thyroid disorder, and coagulopathy. Take care & i hope that helps.

Abnormal, see a GYN!: If your periods are too painful/heavy, see a GYN and get an US to detect problems like cervical lesions, infections, polyps, or fibroids. If you don't have any of these, you may benefit from hormonal control using contraceptives like the pill/patch/ring. The best option is a hormonal IUD (Mirena), that thins the lining and decreases your flow significantly. Some women even stop having periods!