There's a plant (Justicia gendarussa) in Indonesia that seems to work: http://www.humanosphere.org/science/2013/04/male-birth-control-made-in-indonesia/ http://

There's a plant (Justicia gendarussa) in Indonesia that seems to work: http://www.humanosphere.org/science/2013/04/male-birth-control-made-in-indonesia/ http://www.humanosphere.org/science/2013/04/male-birth-contr...