Mira Max Fertility Monitor & Ovulation Test Kit for Women, at-Home Hormone Tracker for LH, PdG & E3G, Digital Hormone Analyzer with 20 Test Wands, 7 More Accurate Than Other Fertility Trackers

E3G is a metabolite of estrogen. Its an essential hormone in your bodys fertility. By combining LH (luteinizing hormone) and E3G readings, you pinpoint your full fertile window and ovulation. E3G and ...