Effectiveness As Birth Control
The Royal College of Obstetricians and Gynaecologists state there is a generally agreed upon rate of failure of about 1 in 2000 vasectomies which is considerably better than tubal ligations for which there is one failure in every 200 to 300 cases. Early failure rates, i.e. pregnancy within a few months after vasectomy typically result from having unprotected intercourse too soon after the procedure. Late failure, i.e. pregnancy after recanalization of the vasa deferentia, has been documented. A 2005 systematic review of 28 studies described a total of 183 failures or recanalizations from approximately 43,642 vasectomy patients (0.4%), and 20 studies in the same review described 60 pregnancies after 92,184 vasectomies (0.07%).
Most physicians and surgeons who perform vasectomies recommend one (sometimes two) post-procedural semen specimens to verify a successful vasectomy; however many men fail to return for verification tests citing inconvenience, embarrassment, forgetfulness, or certainty of sterility. In January 2008 the FDA cleared a home test called SpermCheck Vasectomy that allows patients to perform postvasectomy confirmation tests themselves; however compliance for postvasectomy semen analysis in general remains low.
Read more about this topic: Vasectomy
Famous quotes containing the words birth and/or control:
“My demon,
too often undressed,
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too often a dead daisy I give water to
too often the child I give birth to
and then abort....”
—Anne Sexton (1928–1974)
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—Frank Pittman (20th century)