Which of the following is not true regarding 'no scalpel' vasectomy?
- No scalpel vasectomy(also called keyhole vasectomy or NSV) is a vasectomy procedure variant in which a sharp hemostat is used to puncture the scrotum to access the vas deferens instead of giving an incision as in conventionalvasectomy. - No cuts are made in no-scalpel vasectomy, but the skin is punctured. - The failure rate is same as that of conventional vasectomy. - It is a very popular method in China.