Press release

Written by:, PhD, Founder and Inventor of the Proov test — the first and only FDA-cleared test to confirm successful ovulation at home.

MFB Fertility, LLC Develops Only In-Home Test to Detect Progesterone
Research has shown that couples get pregnant faster when they know when exactly when ovulation takes place. Fertility monitors and ovulation predictor kits allow couples to track estrogen and luteinizing hormone (LH) levels from home. However, until now, there were no tests available to track progesterone.
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