001: Is this perimenopause? The symptoms women miss for years because not many use that word

Something has shifted. You can feel it — even if you cannot name it yet.

Maybe your weight has changed despite nothing in your life being different. Maybe your energy is not what it used to be — and rest does not seem to fix it. Maybe your moods feel different than they used to — reactions that surprise even you. Maybe your digestion is less predictable than it has always been.

Each of these things, on its own, seems explainable. A busy week. A stressful season. And so most women do what makes sense — they connect each symptom to something reasonable and keep going. It takes years, sometimes, before anyone puts it all together.

By the end of this episode, you will understand what perimenopause actually is, why its symptoms are so frequently missed, and one meaningful thing you can do right now.

What perimenopause actually is

Perimenopause is the hormonal shift that precedes menopause — the years during which estrogen, progesterone, and other hormones begin to fluctuate and gradually decline. It typically begins somewhere in the early to mid-40s, though it can begin earlier. It lasts, on average, between four and ten years. And it produces a wide range of changes in the body that most women are simply not yet aware of.

Menopause itself is defined as twelve consecutive months without a menstrual period. Everything before that — the years of fluctuation, change, and adjustment — is perimenopause. Most of the symptoms that women connect with menopause actually occur during this earlier phase. By the time menopause arrives, many women find that the most significant part is already behind them.

Why the symptoms are so easy to miss

Estrogen and progesterone have receptors throughout the entire body — in the brain, the gut, the bones, the skin, the cardiovascular system, the immune system, and the oral tissues. When these hormones begin to shift, the effects are felt across every system at the same time. This is why the symptom picture of perimenopause is so wide-ranging and so easy to blame on other causes.

A woman experiencing disrupted sleep, mood changes, digestive shifts, weight changes, and brain fog may seek answers from several different doctors or specialists — each of whom addresses one piece without connecting the full picture. This is common. And it is one of the primary reasons women spend years managing symptoms without understanding what is actually driving them.

Part of the reason is a significant and well-documented gap in medical training. Research published in peer-reviewed journals confirms that the majority of OB-GYN residency programs in the United States do not have a dedicated menopause curriculum — and most residents finish their training feeling unprepared to manage women experiencing menopause. Even program directors acknowledge the gap exists. This is not a criticism of individual practitioners. It is important context. It explains why so many women leave appointments without answers — and why understanding this phase of life often requires going deeper than a standard office visit currently allows.

Standard hormone testing adds another layer of complexity. Hormone levels fluctuate so dramatically during perimenopause that a single blood test can look completely normal even when significant hormonal shifts are already underway. The North American Menopause Society itself states that perimenopause is best identified through symptoms and age — not a single hormone reading. This is one of the reasons so many women receive a normal lab result and are sent home without clarity.

The four changes worth knowing

The symptom picture of perimenopause is wide-ranging — but four changes show up most consistently. These are the ones worth understanding first.

The first is weight. Specifically, weight that shifts — particularly around the midsection — without any obvious reason. Nothing in your diet has changed. Nothing in your activity has changed. And yet your body is changing anyway. This is estrogen at work. Estrogen plays a direct role in how the body stores fat and manages energy. As it shifts, the body's weight management shifts with it.

The second is energy. Not ordinary tiredness — the kind that a good night's sleep resolves. This is a fatigue that is simply there when you wake up. Progesterone, which has a naturally calming and restorative quality, begins to decline early in perimenopause. Estrogen's fluctuation affects the body's stress response system. The result is an energy picture that most women blame on being busy — when the hormonal shift is doing most of the driving.

The third is mood. Many women describe a lower threshold for stress. Emotional responses that feel slightly bigger than the situation warrants. A feeling of reduced resilience that is hard to explain. Estrogen plays a direct role in serotonin and dopamine — the brain's primary mood-regulating chemicals. As estrogen fluctuates, that stabilizing effect becomes less consistent. And the mood changes that follow can feel unfamiliar in a way that is disorienting.

The fourth is digestion — and this is the one most women never connect to hormones at all. Bloating that arrives without an obvious cause. Foods that used to sit well that now do not. A gut that simply feels less predictable than it always has. Estrogen and progesterone both influence the movement of food through the gut, the bacterial balance in the digestive tract, and the integrity of the gut lining. When they shift, the digestive tract feels it directly.

What I experienced

I was in my early 50s before I understood what had been happening in my body for years. The fatigue I had been living with I had blamed on being busy. What I experienced most was a hard crash in the afternoons — I would eat lunch and find myself needing a two-hour nap to function. I know now that this was almost certainly blood sugar instability driven by a carb-heavy vegan diet, compounded by the hormonal changes that were already underway. The bloating that was present almost every day I had accepted as normal. The brain fog that had settled in gradually I did not recognize as fog until it lifted.

What made my picture more complicated was that I had been on a vegan diet for nearly three years at exactly the time my body needed nutrient-dense animal foods most. The hormonal changes of perimenopause and the nutritional depletion of a vegan diet arrived at the same time. Together they had been taking a toll on my body for years — and I had no idea.

When I changed my eating and gave my body what it had been asking for, the changes were significant. The fatigue lifted. The fog cleared. My thinking sharpened. My best friend noticed before I did — he said I was moving faster. That was the moment I understood something had genuinely shifted.

My own experience deepened everything I had already come to believe — that the body knows how to heal when it is given what it actually needs. That is what this podcast is built around.

Your takeaway from today

If there is one place to begin — regardless of where you are in this journey — it is protein. Research shows that women in their 40s and 50s need significantly more protein than they did a decade ago. Most are getting far less than their bodies need. And inadequate protein affects everything — energy, mood, how the body looks and feels, hormonal health, and the body's ability to maintain the muscle mass that governs how you feel and function every single day.

This is the simplest and most universal place to begin. It works for every woman at this stage of life, and you can start today.

The free Protein Guide for Women 40+ was built specifically for this. It explains the research, gives you a clear target, and shows you how to build meals around it. You will find it at nourishwithkatrina.com — and it is the best place to start.

To your vibrant health and freedom, Katrina

Research references for this episode:

1. Allen, J.T., et al. (2023). Needs assessment of menopause education in United States obstetrics and gynecology residency training programs. Menopause. Peer-reviewed national survey documenting the significant gap in dedicated menopause curricula across OB-GYN residency programs nationwide.
2. Vesco, K.K., et al. (2024). Resident training to optimize patient-focused menopause management: a multispecialty menopause curriculum to enhance knowledge and preparedness. Menopause. Documents low levels of preparedness among residents across OB-GYN, internal medicine, and family medicine for managing menopausal women.
3. Santoro, N., et al. (2016). Menopausal symptoms and their management. Endocrinology and Metabolism Clinics of North America. Comprehensive review of perimenopause onset, duration, and symptom range.
4. Prior, J.C. (2005). Progesterone for symptomatic perimenopause treatment. Facts, Views and Vision in ObGyn. Documents the early decline of progesterone in perimenopause and its effects on energy, sleep, and mood.
5. The North American Menopause Society. Menopause 101: A primer for the perimenopausal years. States that perimenopause is best identified through symptoms and age rather than a single hormone blood test, given the day-to-day variability of hormone levels during this phase.