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 This fertility friendly lube is here to support you along the way. Designed for couples trying to conceive, it mimics the natural environment, boosting sperm mobility and survival, key factors in successful conception Can your lube affect your chances of getting pregnant? Yes some lubricants can make it harder for sperm to reach the egg. Look for sperm safe or fertility friendly formulas that mimic your Are lubricants OK if trying to get pregnant? MadeForMums 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 & Conception Friendly Lubricant Frida The fuss stops here.