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.
About 6 percent of the male US population is infertile. Likewise, about 6 percent of the female population in the US is infertile.
no
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?
If the man is really sterile, no.
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.
yes
Oo
pharmacist
Sixty percent of men with frequent sexual contacts with men also have sexual contacts with women
sixty nine percent.
No, not always. There are some cases of primary sterility (where the person has always been sterile) but many times sterility is secondary to another factor. This could be infections such as mumps in adult men, surgeries such as vasectomies, hormonal imbalances, etc.