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E217
November 10, 2026
Menopause or Something Else? Brain Fog, Anxiety & Fatigue with Dr. Fran Haydanek
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In this episode of unPAUSED, Dr. Mary Claire Haver sits down with Dr. Fran Haydanek, a board certified OB/GYN and host of the podcast I Did My Own Research, to sort out when brain fog, anxiety, and fatigue point to perimenopause and when they point to something else. A big part of the answer lies in a woman’s history. Women whose mood shifted with earlier hormone changes, from severe PMS and PMDD to depression after pregnancy, face a much higher risk of depression during the menopause transition. The issue is not abnormal hormone levels but how the brain responds to fluctuating hormones, a pattern called reproductive hormone sensitivity, and knowing that history means mood swings in midlife never have to catch a woman off guard. These changes can also appear with no prior history at all, and hormone therapy and antidepressants can be used together.

Dr. Haver and Dr. Fran explain why no single blood test can diagnose perimenopause, why irregular periods, hot flashes, and night sweats are often the first clues, and why booking a separate problem visit, rather than raising concerns at the annual well woman exam, gets you the time you need. They walk through the Zone of Chaos, when follicles dwindle and estrogen swings unpredictably, then go head to toe through perimenopause symptoms like hair loss, insomnia, heat intolerance, palpitations, and joint pain, along with the conditions that can mimic them, including low iron, thyroid disease, sleep apnea, and burnout.

Other topics include why a ferritin test matters for women with heavy periods or fatigue, why a history of gestational diabetes or preeclampsia should shape heart and metabolic screening in midlife, and what it means when symptoms persist despite treatment. They close with practical ways to find a menopause trained clinician and a case for every clinician who cares for women being ready to treat menopause and prescribe vaginal estrogen.

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Chapters

00:00:00 – The overlooked warning signs of perimenopause
00:03:01 – Why your annual gynecologist visit isn't enough
00:05:18 – How doctors actually diagnose perimenopause
00:07:08 – The health problems women ignore after childbirth
00:08:45 – How hormone sensitivity connects PMS, postpartum depression, and perimenopause
00:13:39 – Preparing for mental health changes before they happen
00:18:04 – Birth control and mood changes
00:19:50 – What hormone therapy can and cannot treat
00:22:05 – When mood changes become a medical concern
00:24:12 – Finding a doctor who understands menopause
00:26:40 – What happens to your hormones during perimenopause
00:32:20 – Overlooked symptoms beyond hot flashes
00:34:27 – Iron deficiency, ferritin testing, and fatigue
00:37:31 – What gestational diabetes reveals about future health risks
00:39:36 – Preeclampsia and long-term cardiovascular risk
00:41:08 – Brain fog, anxiety, and changes in the brain
00:44:41 – Perimenopause versus burnout, thyroid disease, and depression
00:46:13 – Why not every symptom is caused by hormones

About the guest

Dr. Fran Haydanek

Dr. Fran Haydanek, DO, FACOG is a board-certified OBGYN with 9+ years of clinical experience, currently practicing in Rochester, New York as a full scope ObGyn. Known to her online community as Dr. Fran, she is on a mission to make women's health information accessible, accurate, and empowering.

Fueled by a passion for combating misinformation on social media, Dr. Fran brings her obstetrics and gynecology expertise to digital platforms — meeting women where they are and giving them the fact-based knowledge they deserve. Her platform is focused on helping people navigate today's complex healthcare systems, breaking down complicated conditions and diagnoses into information that's easy to understand and act on — so patients can better access the care they need.

She's also the host of the podcast I Did My Own Research, where she interviews experts from across science and medicine to debunk common misinformation circulating online. As a trusted clinician, popular online educator, and mom of three, she understands the questions women are actually asking and is committed to providing a reliable space for the latest OB-GYN guidance so every woman can advocate for herself with confidence.