Hello Nausica
Since you underwent a surgery 2 months back. your surgical scar must have healed by now.
You can have your normal routine diet.
Since your back muscles were cut open during surgery, you can go for exercises for strengthening back muscles.
The obstruction in your
kidney is relieved, your kidney will recover its function in due course of time.
There will not be anyproblem during
pregnancy.
wish you good health