There is a website for the product at www.avlimil.com. A google search on "avlimil" turns up a zillion responses, ranging from glowing testimonials to denunciations of the manufacturer. From the product home, there is a link to the original clinical study, seems not too bad for design but only involved about fifty women. I don't know if this helps or not, but good luck!
HERE is Edward Bear, coming downstairs now, bump, bump, bump, on the back of his head, behind Christopher Robin...sometimes he feels that there really is another way [of coming downstairs], if only he could stop bumping for a moment and think of it.