Ozzy Osbourne
Ozzy Osbourne, a father of 6 children underwent the procedure way back in 1986 as per media reports.Reuters

Vasectomy is considered to be one of the best ways to adopt permanent birth control method. World Vasectomy Day is observed to spread the message of unintended and unwanted pregnancies.

About 500,000 men go through the process of vasectomy per year in the US, according to statistics by the University of California, Berkley. This makes vasectomy the most common urological procedure.

Here are some interesting facts about vasectomy:

Dr. Li Shunqiang developed the lesser painful 'No-Scalpel Vasectomy (NSV)' procedure, in the early 1970s in China.

It is considered to be one of the safest and effective birth control methods men can adopt.

Vasectomy does not deplete men's sexual drive, virility or his ability to have sex

It is also found that the sexual pleasure doesn't get hindered by this procedure 

Here are some celebrities whom you didn't know underwent vasectomy:

Ozzy Osbourne

This a father of 6 children underwent the procedure way back in 1986 as reported by People.com

Elton John

This popular music icon underwent vasectomy after being a father of two sons, as per a Yahoo report. John even said: "No, I won't be having any more children," at his AIDS Foundation Oscars after-party.

Jon Gosselin

The popular American TV personality Gosselin too admitted having a vasectomy in 2014 after having 11 children by two of his girlfriends. "We can't have more kids," Gosselin said. "Yeah, I'm fixed and Liz (his then-girlfriend) is fixed," he revealed.

John Key

John Key, the New Zealand PM admitted going through the surgery in a press conference. He is a father of two children.