Understand the root causes of hormone imbalance in women

PCOS, Estrogen Dominance, and Perimenopause: What Your Symptoms Really Mean

July 06, 20256 min read

Decode the confusion around female hormone imbalances with root-cause testing, functional medicine insight, and personalized solutions.


Introduction: Hormone Chaos Isn’t “Normal”—Even if It’s Common

Mood swings. Fatigue. Weight gain. Heavy or irregular periods. Bloating. Hair thinning. Brain fog. Anxiety.

If you’ve been told these are just “part of being a woman” or something you’ll “grow out of” or “have to live with,” it’s time to rethink everything you’ve heard about hormone health.

Hormone imbalance is incredibly common—but that doesn’t make it normal.

Too many women are dismissed, misdiagnosed, or medicated without ever understanding what’s actually causing their symptoms. Functional medicine asks a better question: Why is your body out of balance in the first place?

In this blog, we’ll walk through the three most common (and overlapping) hormone imbalances: PCOS, estrogen dominance, and perimenopause. You’ll learn:

  • How they connect and how they differ

  • What’s driving your symptoms at the root

  • The functional labs that make sense of the chaos

  • How to create a personalized path to hormone healing

Let’s start by untangling the overlap.


Part 1: The Overlap of PCOS, Estrogen Dominance, and Perimenopause

These three conditions are often treated as separate—but they share root causes and symptom patterns.

  • PCOS (Polycystic Ovary Syndrome): A metabolic and hormonal disorder often marked by irregular ovulation, insulin resistance, high androgens (like testosterone), and ovarian cysts.

  • Estrogen Dominance: A state where estrogen levels are too high relative to progesterone, even if estrogen itself isn’t technically elevated.

  • Perimenopause: The 8–10 year transition before menopause when hormone levels (especially progesterone) fluctuate wildly, often mimicking both PCOS and estrogen dominance symptoms.

Many women in their 30s and 40s may have:

  • PCOS and estrogen dominance

  • Perimenopause that looks like PCOS

  • A misdiagnosis because the underlying issue wasn’t fully explored

That’s why understanding the drivers—and testing accurately—is key.


Part 2: The Real Drivers Behind Hormone Imbalance

1. Blood Sugar and Insulin Resistance

High insulin is a major driver of hormone chaos. It can:

  • Increase androgen production (causing facial hair, acne, and irregular cycles in PCOS)

  • Disrupt ovulation

  • Worsen estrogen dominance by promoting fat storage (which increases estrogen)

Many women with PCOS and perimenopause have undiagnosed insulin resistance—even with a “normal” fasting glucose.

2. Stress and Cortisol Disruption

Chronic stress depletes progesterone (the “calm and stable” hormone) by shunting resources toward cortisol. Over time, this leads to:

  • Anxiety

  • Sleep disruption

  • Estrogen dominance

  • Cycle irregularity

Cortisol also affects blood sugar, mood, weight, and inflammation—impacting every hormone.

3. Gut-Liver Axis and Hormone Detox

Hormones are metabolized and eliminated through the liver and gut. If those pathways are blocked:

  • Estrogen is recirculated (leading to estrogen dominance)

  • Inflammatory compounds accumulate

  • Hormonal symptoms get worse around ovulation and menstruation

A sluggish liver, poor bile flow, constipation, or gut dysbiosis can all interfere with proper hormone clearance.

4. Environmental Toxins and Xenoestrogens

Many everyday chemicals mimic estrogen in the body:

  • Plastics (BPA)

  • Pesticides

  • Fragrance chemicals

  • Flame retardants

These endocrine disruptors overload detox pathways and fuel hormonal imbalance, especially in estrogen-sensitive women.


Part 3: How Symptoms Show Up Differently in Each Condition

🔄 PCOS Patterns

  • Irregular or absent periods

  • Ovarian cysts (on ultrasound)

  • Acne and oily skin

  • Hair thinning or excess hair growth

  • Weight gain (especially around the belly)

  • Insulin resistance

  • Fatigue and anxiety

Not all women with PCOS are overweight or have cysts. Some have “lean PCOS” driven by inflammation or stress.


📈 Estrogen Dominance Red Flags

  • Breast tenderness

  • PMS and mood swings

  • Heavy, painful periods

  • Bloating and water retention

  • Migraines (especially around menstruation)

  • Endometriosis or fibroids

  • Anxiety and irritability

Estrogen dominance doesn’t always mean high estrogen—just that it’s high relative to progesterone.


🌗 Perimenopause Clues

  • Cycles that are shorter, longer, or wildly irregular

  • Night sweats and sleep disruption

  • Mood swings and brain fog

  • Increased PMS

  • Weight gain, especially around the middle

  • Worsening symptoms in the late 30s and 40s

Perimenopause often begins 8–10 years before menopause (which officially starts after 12 months with no period).


Part 4: The Labs That Make Sense of the Hormonal Puzzle

🧪 DUTCH Test (Dried Urine Test for Comprehensive Hormones)

Provides a full picture of:

  • Estrogen, progesterone, testosterone, DHEA

  • Cortisol rhythm over the day

  • Estrogen detox pathways (methylation, hydroxylation)

  • Melatonin and oxidative stress markers

Why we love it:
It shows not only how much hormone is present, but how well you metabolize and eliminate it. Critical for estrogen dominance and PCOS.


💉 Comprehensive Blood Panels

We look at:

  • Fasting insulin, glucose, HbA1c

  • Lipid profile (to assess metabolic function)

  • Thyroid panel (including Free T3, Reverse T3, and antibodies)

  • Vitamin D, B12, magnesium, zinc

  • Liver enzymes and inflammation markers

Why it matters:
Your hormones don’t work in isolation. Nutrients, inflammation, and blood sugar all play a role in their balance.


🦠 GI Testing and Inflammation Markers

Stool tests like the GI-MAP help identify:

  • Leaky gut (zonulin)

  • Estrogen reabsorption via beta-glucuronidase

  • Bacterial overgrowth and dysbiosis

  • Candida and parasites

  • Calprotectin and secretory IgA (gut inflammation and immunity)

Why it matters:
If you can’t eliminate hormones or reduce inflammation, symptoms will persist—no matter what you take.


Part 5: Real-Life Transformations Through Root-Cause Hormone Healing

🌟 Jessica, 32 – PCOS + Estrogen Dominance

  • Symptoms: acne, anxiety, bloating, weight gain

  • Labs: elevated testosterone, low progesterone, high insulin, candida overgrowth

  • Plan: blood sugar reset, gut healing, estrogen detox, adrenal support

  • Result: ovulation restored, cycles normalized, clearer skin, less anxiety


🌟 Tanya, 41 – Perimenopause Burnout

  • Symptoms: mood swings, night sweats, PMS, fatigue

  • Labs: low progesterone, flattened cortisol, sluggish estrogen metabolism

  • Plan: adrenal rebalancing, liver support, gentle phytoestrogen therapy

  • Result: stable moods, better sleep, pain-free cycles, renewed energy


🌟 Aliyah, 37 – Estrogen Dominance Misdiagnosed as Depression

  • Symptoms: irritability, breast tenderness, migraines

  • Labs: estrogen dominant with poor clearance, low magnesium and B6

  • Plan: nutrient repletion, hormone detox pathways, stress management

  • Result: no more migraines, mood stabilized, improved PMS


Part 6: Creating a Personalized Plan for Hormone Balance

We don’t guess—we test.

Once your lab results come in, we create a step-by-step strategy tailored to:

  • Your current hormone patterns

  • Your metabolism, gut health, and stress profile

  • Your goals (fertility, weight loss, symptom relief, cycle regulation)

A typical protocol may include:

  • Nutrition: anti-inflammatory, low-glycemic, liver-loving foods

  • Supplements: magnesium, B6, DIM, myo-inositol, adaptogens

  • Lifestyle: sleep, nervous system regulation, toxin reduction

  • Cycle syncing: working with your hormonal rhythm, not against it

Every woman is unique. The plan should be too.


Conclusion: You’re Not Broken—You’re Biologically Out of Balance

If your body feels unpredictable, your emotions feel like a rollercoaster, and your cycle is wrecking your life—you’re not crazy. And you’re definitely not alone.

You’re not broken. You’re biologically out of balance.

But there is a path back to clarity, energy, calm, and control. It starts with understanding what your hormones are trying to tell you.

📅 Book a functional hormone consultation today.
Let’s decode your symptoms and map out your personalized path to balance.

Dr. Jamie Grainger, DC, IHFMP is a functional medicine practitioner and chiropractor with over a decade of experience helping women uncover the root causes of chronic health issues—like fatigue, hormone imbalances, and gut problems—and create personalized plans for true healing. At Ultimate Functional Medicine, Dr. Jamie empowers patients to take control of their health through advanced testing, natural solutions, and compassionate, root-cause care.

Dr. Jamie Grainger DC, IHFMP

Dr. Jamie Grainger, DC, IHFMP is a functional medicine practitioner and chiropractor with over a decade of experience helping women uncover the root causes of chronic health issues—like fatigue, hormone imbalances, and gut problems—and create personalized plans for true healing. At Ultimate Functional Medicine, Dr. Jamie empowers patients to take control of their health through advanced testing, natural solutions, and compassionate, root-cause care.

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