Two epidemiological studies from the USA, published in 199311.12 found an increased relative risk of prostate cancer in vasectomised men. A widely used method and believed to have contributed significantly to the control of fertility in Europe in the 18th and 19th Centuries. Alcohol, fatigue and illness can affect performance. Dissatisfaction of the woman is sometimes cited as a disadvantage of the method but orgasm can be achieved by clitoral stimulation. Failure rates of 8-10 per 100 woman years have been obtained.
Experienced users can expect to have a lower failure rate.
The method can be recommended if it has been successfully used over a long period. The partners of Pacific Island and Asian men used withdrawal more than the partners of European and Maori men. Diffusion of nonoxynol-9 into human semen in vitro. Larkin M. -Easing the way to safer sex. The history of the condom.