A case of vasectomy is said to have failed as the vasectomised person&;s wife gives bih to a child ten months after the operation. Which one of the following is the most probable cause?
Failure of the husband to use condom after vasectomy
Surgical failure
Recannalisation
Wife had extramarital contact
<p> Surgical failure is the reason . Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:509. <\p>
Non communicable diseases