Sterilization is a surgical technique leaving a male or female unable to procreate. It is a method of birth control. For non-surgical causes of sterility, see infertility.

Common sterilization methods include:

• Vasectomy in males. The vasa deferentia, the tubes which connect the testicles to the prostate, are cut and closed. This prevents sperm produced in the testicles to enter the ejaculated semen (which is mostly produced in the seminal vesicles and prostate). Although the term 'vasectomy' is established in the general community, the correct medical terminology is deferentectomy, since the structure known as the 'vas deferens' has been renamed the ductus deferens.
• Tubal ligation in females, known popularly as "having one's tubes tied". The Fallopian tubes, which allow the sperm to fertilize the ovum and would carry the fertilized ovum to the uterus, are closed.
• Hysterectomy in females. The uterus is surgically removed, permanently preventing pregnancy and some diseases, such as uterine cancer.
• Castration in males. The testicles are surgically removed. This is frequently used for the sterilization of animals, with added effects such as docility, greatly reduced sexual behaviour, and faster weight gain (which is desirable in some cases, for example to accelerate meat production).

Sterilization of animals

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In animals, castration (removal of the testes) and salpingo-oophorectomy (removal of the ovaries and fallopian tubes), called "neutering" or "spaying" when applied to pets, are used to reduce or eliminate sexual behaviour, and to prevent conception, heat and possible uterine diseases in females, potentially prolonging an animal's lifespan. Due to the hormonal changes involved with both genders, this will definitely cause minor personality changes in the animal. When these changes are undesired, a different method of sterilization can be used, such as vasectomy in males or tubal ligation in females. A typical example of this practise is when male cats are subjected to vasectomy so that they are able to mate with females, thereby "bringing them off heat" (terminating estrus). This keeps the condition of the female from deteriorating due to the extra energy that is expended during estrus. A vasectomized male cat is called a "teaser tom" by cat breeders.

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Sterilization - Twitter Search

@AndrewWK the only benefit to unhealthy drinking habits is sterilization of urine.
annienalbandian (annie nalbandian) Wed, 09 Dec 2009 06:42:50 -0000
@AndrewWK the only benefit to unhealthy drinking habits is sterilization of urine.
RT @Synders777: THE AGNDA; COP 15’s FINL SOLUTN: Environl refugees, Overpopul, carbon credits, sterilization http://ow.ly/K5bN #tcot #tlot
SAMMIESMILES8 (LEANN SEEHUSEN) Wed, 09 Dec 2009 02:28:27 -0000
RT @Synders777: THE AGNDA; COP 15’s FINL SOLUTN: Environl refugees, Overpopul, carbon credits, sterilization http://ow.ly/K5bN #tcot #tlot
THE AGENDA; COP 15’s FINAL SOLUTION: Environmental refugees, Overpopulation, carbon credits, sterilization http://ow.ly/K5bN #tcot #tlot
Synders777 (Cynthia) Wed, 09 Dec 2009 01:43:53 -0000
THE AGENDA; COP 15’s FINAL SOLUTION: Environmental refugees, Overpopulation, carbon credits, sterilization http://ow.ly/K5bN #tcot #tlot
Work's flexible spending program won't cover "legal sterilization." As opposed to illegal sterilization? Time for a back-alley hysterectomy!
laurenlaborde (Lauren LaBorde) Wed, 09 Dec 2009 00:47:40 -0000
Work's flexible spending program won't cover "legal sterilization." As opposed to illegal sterilization? Time for a back-alley hysterectomy!
Healthcare - Director of Sterilization and Materials Management: Details: Loretto Hospital is dedicat... http://bit.ly/7MX4i6 #jobs #hiring
jobschicago (Chicago Jobs) Tue, 08 Dec 2009 22:22:07 -0000
Healthcare - Director of Sterilization and Materials Management: Details: Loretto Hospital is dedicat... http://bit.ly/7MX4i6 #jobs #hiring
my medical flex card will cover "Legal Sterilization". WTF would Illegal Sterilization be?
brandond (Brandon Dohman) Tue, 08 Dec 2009 21:57:48 -0000
my medical flex card will cover "Legal Sterilization". WTF would Illegal Sterilization be?

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