Afraid to stop bc pill

My husband and I would like to start TTC within the next few months and I would like to stop my BC pills soon to determine what my natural cycle will be like. We plan on using a backup method until we are 100% ready to get pregnant.

The issue is....I have been on the pill for about 9 years and I'm terrified to stop because my periods are debilitating when not on bc. I can't function because of the pain. I get horrible abdominal cramps, back cramps, nausea, and sometimes vomiting. It has caused me to miss school and work in the past. I have tried ibuprofen (800mg), midol, Tylenol, heating pads, hot baths, etc... And nothing makes a dent in the pain. I have considered dietary changes to help with the issues but am not sure it's going to work. I have also asked my obgyn and she wasn't much help.

Has anyone else struggled with this issue? Any suggestions would be appreciated!!