Dr. Irene Woo was recently quoted in an article written by Chrissy Callahan titled “What is cycle syncing? Everything to know, from foods to workouts to fertility” for TODAY.com.

Cycle syncing is a practice that attempts to use lifestyle habits to combat the negative effects the menstrual cycle can have on mood, appetite, and energy. It can include changes to your diet, workout routine, and other daily activities, all in an attempt to help boost energy levels and ease hormonal symptoms.

Dr. Irene Woo, board-certified reproductive endocrinologist and infertility specialist at HRC Fertility, tells TODAY.com that there are no documented, scientific benefits to cycle syncing. “It’s true that hormones do fluctuate during the different phases of your menstrual cycle, and it is also true that hormones can affect your physiology, energy levels and mood and things like that,” she explains. But your hormones are unlikely to behave the same every month due to factors like stress, weight changes, medications, and more. However, in order to cycle sync, you need to be aware of your menstrual cycle, which does have benefits.

Dr. Woo goes on to discuss what these benefits are and explains the different phases of the menstrual cycle. To learn more about cycle syncing, read the article in its entirety here.

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