Is Petroleum Jelly Sperm-friendly?

Is Petroleum Jelly Sperm-friendly? Up to 50% of couples report problems with proper lubrication. When you are trying to get pregnant, every single sperm counts and you don’t want to do anything that impairs the sperm count and/or function. Saliva is not a sperm-friendly medium, nor is water. Anything petroleum-based, such as Vaseline, should be