Men can prevent pregnancy by giving their testicles a bath



It’s a sperm-stopping sauna for the scrotum.

An enterprising German scientist captured top prize at Germany’s coveted Dyson awards for an unconventional form of contraception that uses a “testicle bath” to prevent pregnancies.

“I decided to explore the development of a new contraceptive approach for men,” Rebecca Weiss, an industrial design graduate from the University of Munich told the Dyson Awards of her male morning-after pill, which she reportedly unveiled for her master thesis.

Entitled COSO, the Apple-esque device is described on the site as an “ultrasound-based, reversible and hormone-free male contraceptive device for home use.”

To use this baby-blocking bidet, the bather simply “adds water up to the indicated mark which is set together with a doctor according to individual testicle size.” After heating the water up to the requisite temperature, the man then “spreads his legs and sits down to place the testicles in the device.”

Or as IFL Science described it, “you teabag your way to (temporary) infertility.”

This kickstarts COSO’s prophylactic process, which works by employing ultrasound deep heat for several minutes to temporarily halt sperm mobility in the testicles, effectively preventing swimmers from fertilizing the female egg.

Weiss was inspired to create the COSO due to the lack of viable male contraceptives on the market.
Weiss was inspired to create the COSO due to the lack of viable male contraceptives on the market.

The COSO must be used for the first time under the doctor’s supervision and takes two weeks to work, after which it needs to be employed every couple of months to work.

While the efficacy was not included in research about it, the COSO is indeed temporary.

As the genital jacuzzi’s effects only last a maximum of six months, it won’t permanently prevent men from becoming fathers.

“COSO offers a user-friendly contraceptive approach that is easy to use without any kind of physical intervention, pain or previously known side effects,” says Weiss.

The contraceptive wizard reportedly came up with the idea after she was “diagnosed with cancer precursor cervix due to contraception with the pill,” per the site.

“When my partner and I were looking for an alternative method, we became aware of the lack of male contraceptives,” she said.

Indeed while multiple birth control methods exist for women such as IUDs and infertility implants, contraceptives for their male partners remain limited, reports.

The COSO's effects are reversible.
The COSO’s effects are reversible.

But don’t flush away your morning-after pill just yet, ladies. Progress on COSO has been slow, which experts attribute to a reluctance by pharmaceutical companies to invest in male birth control. And while studies support COSO’s efficacy, getting men to attend multiple contraceptive appointments could prove a challenge, IFL Science reported.

The next step is putting COSO through clinical testing phase so it can finally be made available to the public.


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