Not immediately effective. The first 20 ejaculations after vasectomy may contain sperm. The couple must use another contraceptive method for the first 20 ejaculations or the 3 months---whichever comes first.
Reversal surgery is difficult, expensive and not available in most areas of the world. Success cannot be guaranteed. Men who may want to have more children in the future should choose a different method.Important points to remember:
It is a permanent family planning method. A man must think carefully and decide that he will never want more children before choosing Vasectomy.
It is very effective after 20 ejaculations or three months--- whichever comes first.
Involves safe and simple surgery.