Developed by Doctors - Used by Fertility Clinics For Use by Couples When Trying to Conceive New Paraben Free Formula Clinically Tested Formula Helps Support Sperm Quality From the Makers of First Response Proud Supporter of Arbor Day Foundation Uses: Pre-Seed™ Fertility Lubricant is a personal lubricant for penile and / or vaginal application, intended to moisturize and lubricate, to enhance the ease and comfort of intimate sexual activity and supplement the body's natural lubrication.  Pre-Seed™ Fertility Lubricant is compatible with sperm, oocytes, and embryos and can be used by trying to conceive couples. It is compatible with natural rubber latex and polyisoprene condoms. It is not compatible with polyurethane condoms.  Pre-Seed™ Fertility Lubricant can be used to lubricate genital tissues and devices to facilitate use of diagnostic and therapeutic devices during fertility interventions and reproductive medicine. What Makes Pre-Seed™ Fertility Lubricant Unique? Clinically Tested Formula Designed to be isotonic and pH balanced similar to that of the vaginal environment to aid in supporting sperm survival. Made without ParabensHelps support sperm quality Natural feeling  Support for your Fertility Journey Studies show Pre-Seed™ Fertility Lubricant does not interfere with sperm function.  Clinical studies show that non-sperm friendly lubricants may limit sperm motility.