120 days since last period (Oct 24), not pregnant

Last year I started taking Ortho Try-something in January. In mid April, my left side inguinal lymph nodes hurt really bad and started to swell. I just ignored it in hopes it would go away. It was there for a day or two and then disappeared. But then the next month is started to hurt again just not as bad. I finally stopped taking the BC in July. I went to the health dept again and they gave me the same brand but different set of pills. I took it for two months and it just made the pain worse so I quit taking them too in Sept. my last period was Oct 24 and I haven't had one since. I'm getting worried. A lot of people have told me it's stress. But going 4+ months without a period just makes me more stressed 😪 anyone else have tips or ideas on what might be going on with my crazy body? 😅