Hello,
What you have described sounds like secondary dysmenorrhea. Secondary dysmenorrhea is due to pelvic inflammatory disease, fibroids, endometriosis (abnormality of lining of uterus), pelvic tumors, and intra uterine device (like copper-T) etc. You should consult gynecologist for internal examination and other test needed to detect its cause. You may need investigations like ultrasound/ CT scan lower abdomen and cervical swabs done.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.
While most periods come with some pain and discomfort, periods that come with higher levels of pain are sometimes called dysmenorrhea (see http://www.uptodate.com/contents/patient-information-painful-menstrual-periods-dysmenorrhea). Other issues may be causing the symptoms you're describing as well. It would be best to see your Dr. or gynecologist and tell them your problems. They can figure out what is happening with you and would have a good idea about your ability to have children in the future.
I hope this helps!