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 Comparison between preseed and conceive plus Regenesis Fertility Lubricant Products Pre seed Personal Lubricant is a fertility lubricant recommended for couples who are trying to conceive. It relieves vaginal dryness and is also made to mimic natural body secretions, providing an optimal environment The wrong lubricant can slow down sperm movement. The Conceive Plus Fertility Lubricant is pH balanced to match fertile cervical mucus, giving sperm the best chance to reach their goal. Designed to