When trying to conceive, choosing the right lubricant matters. Some common products like oil based lubricants, petroleum jelly, saliva, and regular lubricants may harm sperm and reduce fertility chances. Instead, opt for fertility friendly, Pre Seed Fertility Lubricant 9 Applicators 1.4oz : Target Conceive Plus 8 Pre Filled Applicators Natural Pre Fertility Lubricant for Sperm and Vaginal Health (4gm x 8) Walmart.com Amazon.com: Pre Seed Fertility Lubricant, For Use by Couples Trying to Conceive : Health & Household Not all lubricants are created equal when it comes to fertility. Most commercial lubes (like K Y Jelly, Astroglide, Replens, Optilube, and even olive oil or saliva) can impair sperm motility or damage The 8 Best Personal Lubricants of 2026 Reviews by Wirecutter