NEVER USE PETROLEUM JELLY AS LUBRICATION during intercourse, because this can create a breeding ground for bacteria, causing infection. If you're trying to conceive, it is much better to use PreSeed, the Is Vaseline Safe to Use as a Lubricant? What is Lube and How to Choose the Right One for You? Rebalance Physical Therapy and Wellness MEDICAL POST VASELINE AND SEX Some women use Vaseline as lubricant during sex to avoid dryness Yes it may reduce friction during sex, it can also introduce bacteria that can lead to Can You Use Vaseline as a Lube? Why It's a Bad Idea YoniEgg.com Moisturisers vs lubricantswhat's the difference for comfort? The Womens Health Clinic