I already use ovulation prediction kits (OPK). why do I need Proov Complete?

Traditional ovulation predictor tests measure just one hormone (luteinizing hormone) to identify your two most fertile days, but this is only one piece of the fertility puzzle. Proov Complete provides extensive additional data to help you better understand your hormone balance, cycle, and ovulation, so you can be better set up for success. In addition to measuring LH, you’ll measure FSH to assess your ovarian reserve, E1G (a marker of estrogen) to identify your longest possible fertile window, and PdG (a marker of progesterone) to check for successful ovulation.