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To nowhere. Caught halfway through, they die and are absorbed into the body. The “tragedy” happens in the vas deferens, tubes that carry sperm from the testicles, where they are produced, to the ejaculatory duct, where they mix with semen and are expelled out of the penis. In vasectomy, the vas deferens are cut, tied and cauterized. Sperm come out of the testicles and find the blockage, where they resist for a few hours before disappearing forever, without seeing the light of the egg. “It is the safest male contraceptive method”, says urologist Sami Arap, from Hospital Sírio Libanês, in São Paulo. As they do not fulfill their mission, over time spermatozoa stop being produced. In the first 30 days after the surgery, however, it is still necessary to prevent an unwanted pregnancy, since some smarties may be left along the way. Two months after being vasectomized, the man must undergo a spermogram, an examination that verifies how many sperm are present in the semen – if the surgery was successful, there will be none. They are gone, but life goes on. «A vasectomy does not cause impotence or interfere with sexual activity,» says the doctor. Those who regret it can try a reversal surgery, which is more expensive and complex, and not always successful. No wonder, the fans of this contraceptive method are usually over 35 years old who already have children.
After vasectomy, sperm get trapped in the ducts and die
1. Under local anesthesia, a 1 cm cut is made in the scrotum. The vas deferens, which come out of the testicles, are cut, tied and blocked. The surgery takes about 30 minutes. You can’t even see the scar and the patient leaves the hospital on the same day. After seven days, you can have sex again
2. The spermatozoa produced in the testicles cannot pass on and are trapped inside the vas deferens. After a few hours, they degenerate and are absorbed by the body. The process is painless and does not cause any harm to the body.
3. Over the years, the testicles become slightly swollen and stop producing male gametes. In ejaculation, only the seminal fluid is released (that whitish goo), which is produced in the seminal vesicles and in the prostate. Vasectomy does not change its amount.