According to proponents of cycle syncing, in this phase the body is primed to take on stress and can recover more quickly. And it remains unclear whether cycle syncing makes sense for women using hormonal forms of birth control. The bits of scientific and anecdotal evidence showing fluctuations in performance or energy throughout the menstrual cycle also don’t prove that syncing workouts to the cycle will optimize fitness. One of the main aims of the Empow’her program is to fill that void, Ms. Antero said. She plans to publish the results of the training program after the Olympics.

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Persons: Mahalingaiah, Juliana Antero, Antero, Stacy Sims, Clancy, ”, Asima Ahmad, Ms, Scott Organizations: French Institute of Sport