Haldar N, Cranston D, Turner E, MacKenzie I, Guillebaud J
Lancet. 2000 Jul 1;356(9223):43-4. doi: 10.1016/S0140-6736(00)02436-3.
Around 42 million couples worldwide rely on vasectomy as a method of family planning. It is well recognised that a vasectomy can fall at any stage, and therefore warning couples of risk of failure forms an important part of the consent procedure.
