No. Some men get their penis / testicles pierced and they are not sterile. But aside from that, your belly button is NOT a reproductive organ. So you cannot become sterile from piercing your bellybutton.
no
It is estimated between 9 and 12 percent of men are infertile. As of 2014, the number of men who are infertile is on the rise.
No this will not make him sterile.
From what I've heard and from what has been been said recently, there is an ingredient in hand sanitizer that makes males sterile. Hand sanitizer is known to kill bacteria but what is in the sanitizer gets absorbed into the body, which is what causes men to become sterile.
The main reason men become sterile is the cause of a low sperm count. One could also choose to become sterile and have a vasectomy so as to not have any more children.
cant get pregnant?
No but they will make his bread rise
It depends on why the man is sterile. There are many causes. If he has had a vasectomy, an operation to make him sterile, that operation can now be reversed for a majority of men, if they want to go through the hassle and expense. If a man is sterile for some other reason, there are many possible medical reasons and many possible treatments. Only a fertility expert knows all about it.
If the man is really sterile, no.
No.
No.