PreSeed is the first sperm friendly vaginal lubricant recommended for women who are trying to conceive but experience vaginal dryness during sexual intercourse. Most other lubricants either kill sperm or alter the morphology motility Amazon.com: Conceive Plus Fertility Lubricant for TTC Couples pH Balanced, Sperm Friendly Gel with Magnesium and Calcium Water Based Fertility Lube 2.5 oz Tube : Health & Household Let's chat fertility friendly lube 101 ICYMI many lubes are designed to kill sperm, while others slow down your swimmers. When you're trying to conceive, you need more from a lubricant Conception Friendly Lubricant Frida The fuss stops here.