This is a medical device, rather than a drug, making it more possible. Elaine Lissner More Quotes by Elaine Lissner More Quotes From Elaine Lissner It's a sticky gel that goes into [the tubes] and basically filters out sperm. Elaine Lissner health-news Successful reversibility will be the key to make this world-changing. Elaine Lissner health-news Why manipulate the whole body when there's a small tube that all the sperm swim through? Elaine Lissner health-news