Did you know: most lubricants (and yes, saliva) can harm sperm motility, exactly the opposite of what you want when youre trying to grow your family. Our Power Play Lube was created to help your 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. Fertility Lubricant for Conception Support Sperm Safe Lube Bird&Be Amazon.com: Good Clean Love Regenesis Fertility Friendly Lubricant, Water Based Lube for Women & Couples Trying to Conceive, with Magnesium and Calcium Ions, Personal Lubricant, Safe for Toys, 2 Oz (2 Pack) : Health & The most pregnancy friendly lubricants are the water based kinds. These lubes are water soluble, which means they dissolve in water. They're safer for you and your baby, typically because they contain fewer chemicals than Approach to lubricant use for sexual activity The College of Family Physicians of Canada