I have a large 3 month old. According to <a href="http://www.theecstore.com/index.php?main_page=product_info&cPath=168&products_id=860&zenid=4a0e9d7acf1d0e9c961ffcebd2234c14" target="_blank">the ec store</a> Gerbers 18 month training pants will fit a big 3 or 4 month old, especially if they are doubled up. Has anyone else used this brand with such a young baby? Did it work? If you doubled it up, could you still feel it with only one pee? Or does anyone know a training pants that fits a larger 3 month old that's in a comparable price range?