You must have been advised regarding wearing of loose underwear and not to expose yourself to high temperature. It takes about 3-6 months before you get full benefits.
You will need repeat semen analysis after 3 months. You need good diet, outdoor activities, and some preparation containing Co enzyme Q.
Next Steps
You should lead normal life. You may learn about the time when your wife has maximum chances of conception.
Further treatment can be discussed with a Gynaecologist or Urologist on Practo.