Bonaventura Reproductive Medicine announced it will offer the Repromedix's PlanAhead test, an innovative blood test that provides an assessment of a woman's egg supply by combining multiple factors including the measurement of ovary-related hormones AMH, Inhibin B, and FSH. The window of opportunity for a woman to have children by natural conception is dependent upon an adequate supply of eggs, which inevitably declines as a woman ages and her "biological clock ticks.