Fairhaven Health Fertile Focus Ovulation Test Kit - Women's Fertility Tracker and Predictor - 3 Days in Advance - Ovulation Kit - Accurate, Reusable Home Saliva Test - Results in Five Minutes;

Fertile-Focus allows women to identify their most fertile days by testing and viewing the visual changes that take place in saliva throughout the monthly cycle. Just prior to ovulation, women experience an "estrogen surge," and a distinct fern-like pattern becomes visible in saliva due to the hormonal changes. Fertile-Focus provides the highest quality, powerful 50x magnification lens for easily identifying these crystal "ferning" patterns.