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© Dr. Sarah Solinger, PhD, ND, MSc, FCN, Root Health L.L.C., The Solinger Method. All rights reserved.
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PMS AND PMDD
Hormone Health | The Solinger Method Educational Library
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1. Overview
PMS and PMDD represent two points on the same physiological spectrum.
Both are signs that the hormonal, metabolic, neurological, and inflammatory systems are struggling to transition smoothly through the luteal phase of the menstrual cycle.
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• PMS is a cluster of physical, emotional, and cognitive symptoms that appear in the luteal phase and resolve with menstruation.
• PMDD is a more severe, disabling version, with intense mood symptoms that dramatically impair daily life.
Neither PMS nor PMDD is “just part of being a woman.”
They are not personality issues, character flaws, or emotional weakness.
They are physiological stress load indicators, revealing that the body is experiencing:
• progesterone deficiency
• estrogen fluctuation
• neurotransmitter imbalance
• blood sugar instability
• inflammation
• HPA axis strain
• thyroid or metabolic slowing
• nutrient insufficiency
• gut dysregulation
Symptoms may include:
• irritability or unexplained anger
• anxiety, restlessness, or panic feelings
• crying spells or emotional heaviness
• mood swings
• intrusive or negative thoughts
• low resilience to stress
• fatigue or exhaustion
• breast tenderness
• bloating or fluid retention
• headaches or migraines
• joint or muscle pain
• sleep disruption
• food cravings, especially sweets or carbs
• brain fog or difficulty concentrating
• low libido
• pelvic heaviness or cramping
In PMDD, symptoms may escalate to:
• hopelessness
• severe rage episodes
• panic surges
• dissociation
• intrusive thoughts
• temporary inability to function
These are driven by chemistry, not character.
2. The Physiology Behind PMS and PMDD
Why the luteal phase is uniquely sensitive
2.1 The luteal phase hormonal landscape
After ovulation, the body expects robust progesterone production.
If progesterone is low:
• the nervous system loses its GABA support
• inflammation increases
• estrogen becomes unbuffered
• mood becomes more reactive
• sleep becomes lighter
• cravings intensify
Low progesterone is one of the strongest drivers of PMS and PMDD symptoms.
2.2 Estrogen fluctuations and receptor sensitivity
The luteal phase often includes:
• estrogen dips
• estrogen spikes
• impaired estrogen metabolism
These fluctuations affect:
• serotonin
• dopamine
• histamine
• inflammation
• uterine lining stability
• breast tissue
Mood and physical symptoms often track estrogen volatility.
2.3 Neurotransmitter shifts
Estrogen and progesterone regulate:
• serotonin
• dopamine
• GABA
As hormones shift, neurotransmitter regulation becomes unstable, resulting in:
• anxiety
• low mood
• irritability
• obsessive thoughts
• cravings
• sleep changes
2.4 Inflammation increases premenstrually
As the uterine lining prepares to shed, inflammatory compounds rise.
If baseline inflammation is high, PMS intensifies dramatically.
2.5 Blood sugar instability during luteal phase
Progesterone temporarily increases insulin resistance.
In healthy cycles, this is mild.
In unstable metabolic states, it can cause:
• cravings
• irritability
• mood swings
• energy crashes
• night waking
2.6 Thyroid hormone sensitivity shifts
The luteal phase requires strong metabolic output.
If thyroid function is suboptimal, symptoms intensify.
3. Root Causes of PMS and PMDD
PMS and PMDD are downstream signs of upstream imbalance.
3.1 Low progesterone and luteal phase defects
The most common cause.
Without adequate progesterone, the brain loses stabilizing support.
3.2 Estrogen dominance or estrogen dysfunction
Too much estrogen effect relative to progesterone increases:
• irritability
• breast tenderness
• bloating
• heavy bleeding
• mood swings
3.3 Blood sugar instability
Glucose swings create:
• irritability
• cravings
• anxiety
• fatigue
• night waking
3.4 Chronic stress and cortisol dysregulation
Stress changes the entire luteal phase environment by:
• lowering progesterone
• increasing inflammation
• reducing serotonin
• destabilizing sleep
• increasing estrogen irritation
3.5 Thyroid dysfunction
Low thyroid contributes to:
• low mood
• fatigue
• heavy bleeding
• irregular cycles
• estrogen dominance
3.6 Inflammation
Inflammation amplifies pain, mood symptoms, and cravings.
3.7 Nutrient deficiencies
Common deficiencies include:
• magnesium
• B6
• omega 3s
• vitamin D
• zinc
• iron
• B vitamins
• antioxidants
These nutrients modulate neurotransmitters, inflammation, and hormone metabolism.
3.8 Gut dysbiosis and the estrobolome
Gut dysfunction causes:
• estrogen recirculation
• inflammation
• nutrient malabsorption
• serotonin dysregulation
All worsen PMS and PMDD.
4. Metabolic Connections
4.1 Progesterone, insulin, and cravings
Low progesterone plus luteal phase insulin resistance equals:
• cravings for carbs and sweets
• mood swings
• energy crashes
4.2 Estrogen and serotonin
Fluctuating estrogen causes serotonin fluctuations, influencing:
• appetite
• mood
• sleep
• emotional regulation
4.3 Mitochondrial shift
Energy requirements increase in the luteal phase.
If mitochondria are sluggish, PMS worsens markedly.
4.4 Cortisol
High cortisol amplifies both emotional and physical PMS symptoms.
Low cortisol can contribute to fatigue and low mood.
5. Hormone Crosstalk
5.1 Progesterone
Low progesterone removes the brain’s GABA support, causing:
• anxiety
• rage
• mood instability
• sensitivity to overwhelm
5.2 Estrogen
Erratic estrogen increases:
• breast tenderness
• heavy bleeding
• irritability
• migraines
5.3 Thyroid hormones
Thyroid dysfunction magnifies:
• mood symptoms
• fatigue
• bleeding issues
• slow metabolism
5.4 Cortisol
Stress chemistry intensifies PMS by reducing progesterone and worsening insulin resistance.
5.5 DHEA and testosterone
Low DHEA contributes to low resilience, low motivation, and low libido premenstrually.
6. Gut Connection
6.1 Serotonin and gut function
Seventy percent of serotonin is produced in the gut.
Dysbiosis worsens mood symptoms premenstrually.
6.2 Estrogen metabolism
High beta glucuronidase increases estrogen recirculation, worsening PMS.
6.3 Inflammation and permeability
Inflammation worsens cramps, pain, and emotional symptoms.
7. Nervous System Connection
PMS and PMDD are deeply neuroendocrine conditions.
7.1 GABA and progesterone deficiency
Without GABA support, the brain becomes:
• more anxious
• more reactive
• more overwhelmed
• more irritable
7.2 Serotonin fluctuations
Estrogen dips reduce serotonin tone, causing:
• mood crashes
• cravings
• sadness
• hopelessness
• sleep disruption
7.3 Trauma history and nervous system sensitivity
Women with previous high stress loads may have more intense PMS or PMDD because the nervous system transitions poorly through hormonal shifts.
8. Nutrition Strategy
8.1 Balanced meals to stabilize glucose
Reduces:
• cravings
• irritability
• fatigue
8.2 Magnesium and B6 rich foods
Support progesterone pathways and neurotransmitter stability.
8.3 Anti inflammatory nutrition
Reduces pain and emotional intensity.
8.4 Cruciferous vegetables
Support estrogen metabolism, reducing breast tenderness and mood swings.
9. Lifestyle Strategy
9.1 Strength training
Improves insulin sensitivity and stabilizes mood.
9.2 Sleep hygiene
Sleep loss amplifies PMS symptoms by increasing cortisol and inflammation.
9.3 Stress reduction
Shifts cortisol patterns to support the luteal phase.
9.4 Gentle movement during luteal phase
Reduces cramps, inflammation, and nervous system tension.
10. Symptom Clusters and Their Interactions
• Low progesterone plus high cortisol equals rage, insomnia, and anxiety
• Estrogen dominance plus inflammation equals migraines and breast tenderness
• Blood sugar swings plus low serotonin equals cravings and irritability
• Thyroid dysfunction plus luteal phase stress equals fatigue and mood instability
• Gut dysbiosis plus estrogen recirculation equals bloating, PMS, and heavy cycles
11. Lab Interpretation
Patterns often include:
• low mid luteal progesterone
• estrogen dominance patterns
• elevated cortisol or flat cortisol curves
• low thyroid conversion
• low DHEA
• elevated inflammatory markers
• dysbiosis on stool testing
• micronutrient deficiencies
These patterns reflect physiology and root cause contributors.
12. Interaction With Other Conditions
PMS and PMDD worsen:
• perimenopause
• estrogen dominance
• low progesterone
• thyroid disorders
• insulin resistance
• anxiety
• depression
• migraines
• gut inflammation
• heavy bleeding
13. Faith and Mindset Note
PMS and PMDD can make women feel unpredictable, ashamed, or unlike themselves.
Yet these symptoms are not moral failures or emotional weaknesses.
They are signs that the body is overwhelmed by the load it carries.
Your body is not betraying you.
It is reaching out for restoration.

