Here is what fertility expert Dr. Amos claims.
Member: is using pre-seed ok?
Dr.Grunebaum: pre-seed is a new moisturizer that claims to be "sperm-friendly." I have heard of many couples that have successfully become pregnant while using pre-seed.
Member: can using saliva as a lubricant kill sperm?
Dr.Grunebaum: saliva is a great sperm-killer. It's not suggested to use saliva as a lubricant.