Have u used any natural lubricant while conception??, Coconut oil is a non toxic, sperm friendly lubricant for intercourse. It helps decrease vaginal dryness, pain during intercourse, and will not Coconut oil for vaginal dryness: Does it work and how to use it safely Sexual Lubricants: Materials and Best Uses Sexual Health Alliance Let's talk about lubricants and fertility. If you're TTC, the type of lube you use can either support or sabotage your chances of conceiving. Here's what research shows: All impact sperm in Do Lubricants Affect Pregnancy Chances? Many couples wonder if lubricants can prevent conception. Oil based lubricants (like Vaseline, coconut oil, creams, lotions) can slow down sperm movement and reduce pregnancy chances.