Episode 4: Irregular Cycles and What They Mean for Fertility

Send us Fan MailYour period shows up early, late, or not at all and suddenly you’re left guessing: is this just “normal for me,” or is something deeper going on with ovulation and fertility? I’m Dr. Easton Rice, physician associate and co-founder of FertiliCheck, and I walk through what an irregular menstrual cycle actually is, why consistency matters more than a perfect 28-day pattern, and how cycle variability can be your body’s signal that hormone communication between the brain and ovaries isn’t syncing the way it should.We connect the dots between cycle timing and the core fertility hormones that drive the follicular phase, ovulation, and the luteal phase. Then we get practical about the most common causes of irregular periods: PCOS and elevated androgens, thyroid disorders (both hypo- and hyperthyroidism), elevated prolactin, weight changes and BMI extremes, and chronic stress with high cortisol that can suppress LH and FSH. You’ll learn the signs that often travel with each condition, plus the types of labs and next steps that can help you and your clinician pinpoint the root cause.We also talk about why tracking matters, not just for prediction but for diagnosis. Using FertiliCheck-style hormone trend tracking over time can reveal whether your irregularity is cyclical or random and whether lifestyle changes are moving your fertility health in the right direction. I share two brief case studies, then close with clear guidance on when to seek help, including consistently short or long cycles, missed periods for more than three months, PCOS or thyroid symptoms, and heavy bleeding or persistent spotting. If you found this useful, subscribe, share with a friend who’s trying to conceive, and leave a review so more people can find evidence-based fertility education. What’s the biggest change you’ve noticed in your cycle lately?Support the show