A non-sterile, hand-held eyepiece with a magnifying lens intended to be used for the visualization of crystallised patterns in a female’s saliva sample, which may identify the days of ovulation i.e., the most fertile days in the menstrual cycle, as an aid for natural conception. It is available [non-prescription] over-the-counter (OTC) for home-use and is not intended to be used as a form of contraception. This is a reusable device.