Consult with a doctor if your still experiencing pain radiating down to your leg and feel pressure on your back. And as per your history of Hpylori the pain could be related to that..

The pain you're experiencing could be because of the gastrointestinal issues (such as gastritis, irritable bowel syndrome, or diverticulitis), muscle strain, kidney stones, or even referred pain from organs in the abdomen. To determine the exact cause visit a gastoenterologist.

Check with a gastroenterologist if you'r still experienceing long-standing gas problems, fatty liver, and constipation. Diet and lifestyle changes, such as eating a balanced diet with fiber-rich foods, drinking enough water, and exercising regularly, can reduce your problems.

If you're concerned about pregnancy youmust take timely actions like emergency contraceptives. These pills can be taken within a specific timeframe to avoid pregnancy. As of now I suggest you to visit your gynec and get a test done for confirmation.

It could be related to a pelvic infection, gastrointestinal issues, or gynecological conditions. To determine the condition, consult your gynecologist.

The most effective treatment for a sebaceous cyst is a surgical removal which can be performed by plastic surgeon, dermats, or general or breast surgeons. 

Possible reasons for this can be anxiety or stress, heart-related issues, or musculoskeletal problems. A professional can evaluate your symptoms, perform a physical examination, and ask for further tests to determine the cause.

It could be a condition called phimosis which needs circumcision surgery. Visit a urologist or general practitioner, for proper evaluation and guidance. Seek medical advice for personalized care.