Answers:
Possible especially if he have them after the age of 12. I theory test at the doctors department will be capable of transmit for sure.
yes but it is more credible if he get them when he be contained by his teens on up
It can be possible for him to be sterile. If he wishes to find out he could travel to the clinic for a sperm count interview
Years ago a girlfriend of mine said she be not using birth control beside her boyfriend because he'd have mumps as a child and be sterile. Well, they since own have 2 children. The merely route to check and be sure is to enjoy him capture a sperm count. You'll necessitate a doctor's demand and he newly collects a specimen at home and after take it to a clinic or lab. Good luck.
Indeed, it is possible. Some historians enjoy suggested that David, Prince of Wales (later King Edward VIII) be sterile due to a bleak overnight case of mumps that he get as a child.
HOWEVER, please check things out next to your doctor as sterility have various cause!