Please know that I am not a doctor.
Your symptoms may be totally unrelated to your operation especially if it was 18 months ago. What I would suggest is to keep a log of your symptoms and take this list to your doctor or gynecologist. Each symptom may also be unrelated to each other. The only way to figure out what is going on is to see your doctor who knows your medical history and who can examine you firsthand.
Hope you feel better and figure out the reason for your symptoms.
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