Surgery is hard on a body. Not as difficult if you are healthy heading into it but ... No matter what you have done, they will give you medications and IV fluids and your appetite will be skewed for a few days, you won't be as active for a little while, you might need a laxative a day or three later.
But as for the physical effects of having your fallopian tubes blocked? no ...
Eat good food. Move yourself. Lift something.
You'll be surprised how much you don't miss grain.