Show notes
Most women have been told their cycle is something to manage, track for fertility, or push through. What almost no one is saying is that your cycle is a second biological clock running inside your body at all times. The circadian rhythm is roughly 24 hours and is governed by light. The infradian rhythm is roughly 28 days and is governed by the menstrual cycle. Men have one main rhythm. Women have two. This is not a flaw in our design. It is added intelligence. In this solo episode, Michelle walks you through what is actually happening underneath the surface of each phase. Your brain structure shifts across the cycle. Your immune system, metabolism, insulin sensitivity, microbiome, and nervous system are all moving with you. You will learn why the same stressor can feel completely different from one week to the next, why luteal phase cravings are real signals and not willpower failures, and how to begin matching your work, food, and rest to the phase you are actually in. Whether you are trying to conceive or simply want to stop fighting your own body, this episode offers a more accurate map of how you are designed to function. Key Takeaways: Women have two main biological rhythms. The circadian rhythm is roughly 24 hours. The infradian rhythm is roughly 28 days and is governed by the menstrual cycle. Most lifestyle and research advice is built around the male 24-hour clock, which is part of why so many women feel exhausted. Your brain structure literally changes across the cycle. The hippocampus shifts in volume, connectivity between regions changes, and verbal fluency, spatial reasoning, and pain perception all move with the phases. Feeling like a different person at different times of the month is neurobiology, not emotional volatility. Your immune system is rhythmic. It is more active in the first half of the cycle and shifts after ovulation, when progesterone becomes mildly immunosuppressive to prepare the uterus for a possible embryo. This is why colds, autoimmune flares, and allergies can shift across the month. Basal metabolic rate rises slightly in the luteal phase, and insulin sensitivity changes. The same meal can land differently depending on where you are in your cycle. Luteal phase cravings are often a real signal of higher energy needs. The gut and vaginal microbiomes also shift cyclically with hormones. You are not a static system. Everything inside your body moves with you. Heart rate variability tends to be higher in the follicular phase and lower in the luteal phase. The same stressor can land very differently depending on when in the month it arrives. Your nervous system is operating from a different baseline. From a TCM perspective, the liver works harder in the luteal phase to prepare for menstruation, which can show up as more irritability, less energy, and stagnation when qi is not flowing freely. Working with the cycle is not just a fertility tool. It is a way of living that supports energy, focus, mood, and recovery across the entire month. Practical starting points: track more than your period (energy, sleep, mood, focus, hunger, stress response), match the work to the phase when possible, and eat in a way that responds to what your body is actually doing in each phase. Host Bio: Michelle Oravitz, L.Ac., FABORM, is a board-certified fertility acupuncturist, Ayurvedic practitioner, and author of The Way of Fertility. She is the host of The Wholesome Fertility Podcast, where she explores the intersection of Traditional Chinese Medicine, modern fertility science, nervous system health, and the deeper, often overlooked terrain of mind-body fertility. Through her clinical practice and online programs, Michelle works with women trying to conceive and with practitioners who want to bring a more holistic, integrated approach into their work. Research and Resources Cited: Brain structure and function changes across the menstrual cycle (hippocampal volume) Cyclical changes in hippocampal volume across the menstrual cycle Menstrual cycle effects on cognition: verbal fluency and spatial reasoning Pain perception and threat sensitivity across the menstrual cycle Progesterone and immune modulation in the luteal phase Basal metabolic rate variation across the menstrual cycle Insulin sensitivity and the menstrual cycle Gut microbiome variation across the menstrual cycle Vaginal microbiome shifts across the menstrual cycle Heart rate variability across the menstrual cycle Cortisol and HPA axis response across the menstrual cycle Disclaimer: The information shared on this podcast is for educational and informational purposes only and is not intended as medical advice. Please consult with your healthcare provider before making any changes to your health or fertility care. Ready to discover what your body needs most on your fertility journey? Take the personalized quiz inside The Wholesome Fertility Journey and get tailored resources to meet you exactly where you are: https://www.michelleoravitz.com/the-wholesome-fertility-journey For more about my work and offerings, visit: www.michelleoravitz.com Curious about ancient wisdom for fertility? Grab my book The Way of Fertility: https://www.michelleoravitz.com/thewayoffertility Join the Wholesome Fertility Facebook Group for free resources & community support: https://www.facebook.com/groups/2149554308396504/ Connect with me on social: Instagram: @thewholesomelotusfertility Facebook: The Wholesome Lotus