Ten-sheet panty liners to check for fertility timing. - Brand: Unicharm - How to use: Panty liners that can check for fertility timing Thank you for viewing. This is a set of 7 unused sheets. I was able to get pregnant in one cycle, so I have a lot left over. I hope the buyer can get pregnant! If you wish to change the shipping method, it is possible to change it for a slightly higher price.