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. Do lubricants affect male fertility and sperm quality? 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 Not all 'sperm friendly' lubricants are actually friendly When you're trying to conceive, even small choices, like which lubricant to use, can impact your fertility journey. Studies show that many lubricants marketed Fertility Lubricant American Pregnancy Association