“In a study of the Copper T 200, scientists observed that the sperm heads were detached from the tails in a majority of sperm cells.”
Sounds effective to me.
LINK URL: http://www.un.org/popin/popis/journals/network/network162/blck162.html
January 9, 2013
January 10, 2013 at 9:19 am
Uh oh….hopefully you didn’t jinx yourself!
. But yes– detailing sounds like a crazy effective way to decrease sperm mobility! I did not know that happened!
January 16, 2013 at 2:43 pm
Maybe someday they’d understand why copper has spermicidal effects, but I’m just glad they observed it.