answered 11/4/2010 My Wife Has A White Crusty Substance In Her Panties When She Puts Them In The Washing Machine When I Asked Her About It She Said All Women Leak A Small Amount Of This Is This True.? Totally normal, think of it as natural lubrication. Also aids in getting pregnant, i.e. Great environment for your sperm to live, swim in, and up. Might be more when she ovulates.