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 Best Lubricants for Trying to Conceive Safely Vaginal dryness is a common problem during sex. Some couples even use saliva, oil or water to relieve the discomfort. Using saliva as lubrication during sex is a bad idea, especially for Using spit as lube? Heres why you *shouldnt*: It dries up fastterrible lubrication. Spreads infections (yep, even cold sores). Enzymes in saliva can mess with your vaginal microbiome. So Fertility Lubricant (2.5 fl. oz) Conceive Plus Asia