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 Coconu Oil Based Sexual Lubricant Coconut Oil Sex Lube Amazon.com: Coco Bliss Natural Coconut Oil Lubricant, Intimate Moisturizer, Lube for Him and Her, Personal Massage Oil, Silky Smooth Moisturizer with Vanilla Extract and Almond Oil, 3 Fl Oz : Health & 8 Uses for Coconut Oil in Pregnancy, Plus Safety and Risks Do Lubricants Affect Pregnancy Chances? Many couples wonder if lubricants can prevent conception. Oil based lubricants (like Vaseline, coconut oil, creams, lotions) can slow down sperm movement and reduce pregnancy chances. Fertility Lubricant: Safe Use When Trying to Conceive