Proov Predict measures luteinizing hormone (LH), a marker in urine that tells you ovulation is about to occur. You’ll identify your LH surge to zero in on your two most fertile days, so you can try to conceive at the best possible time.

Proov Confirm uses a patented testing method to track PdG over time — the most thorough way to check for successful ovulation. You’ll assess PdG levels multiple times through the second half of your cycle (the “implantation window”), gaining valuable insight into your ovulation each month.