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Researchers have announced a new breakthrough in male contraceptives. The first male birth control that is injected into the penis will be available in 7 months.

According to the Hindustan Times, a government research agency has successfully completed a clinical trial for an injectable male contraceptive. The drug is awaiting final government approval.

Dr. R.S. Sharma, who worked on the project, said 303 volunteers participated in 3 clinical trials with a 97.3% success rate.

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The drug is injected directly into the two vas deferens ducts that carry sperm from the testicles. A local anesthetic is injected first to numb the pain. The injectable drug works by blocking sperm from leaving the testicles. The birth control effect lasts for 13 years and is not reversible.

Dr. Sharma and other researchers worked on the medication since 1984 and "the final product is ready after exhaustive trials."

Critics argue that the drug will be abused by governments eager to control certain populations.

Dr. Sharma cautioned that the drug can only prevent pregnancy, not protect against sexually transmitted diseases. Men should still practice safe sex by wearing condoms.