Proov Power, in your Pocket ​​When paired with Proov hormone test kits, the Proov Fertility & Menopause app transforms your phone into a powerful hormone monitor. Get rich, hormone data-based insight on your cycle to understand ovarian reserve, find the full fertile window, confirm successful ovulation during the implantation window, and see key hormone balance ratios. Each month, you’ll get your hormone report card including a Proov-exclusive Ovulation Score along with actionable, personalize