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, Let's talk about lubricants and fertility. If you're TTC, the type of lube you use can either support or sabotage your chances of conceiving. Here's what research shows: All impact sperm in 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 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.