POTS and Hormones: How Periods, PMS, Pregnancy & Menopause May Affect Symptoms

Postural orthostatic tachycardia syndrome (POTS) affects women more often than men, and many patients report that their symptoms change during different hormonal stages of life.

Some notice more dizziness or fatigue around their period. Others report changes during pregnancy or after childbirth. Later in life, questions may arise about perimenopause and menopause.

This leads to an important question:

Can hormonal changes affect POTS symptoms?

Research suggests that menstrual-cycle phases can influence orthostatic symptoms and cardiovascular responses in some people with POTS. Pregnancy can also change symptom patterns, although individual experiences vary considerably.

Other relationships—including POTS and menopause or POTS and PCOS—remain less well understood.

Here’s what current evidence can and cannot tell us.

Why Might Hormones Matter in POTS?

POTS affects the autonomic nervous system and the body’s response to upright posture.

When a person stands, gravity shifts blood toward the lower body. The autonomic nervous system normally helps maintain circulation by coordinating changes in heart rate and blood-vessel tone.

In POTS, this response is altered.

Hormonal changes may potentially interact with factors relevant to orthostatic tolerance, including:

• Blood volume
• Fluid regulation
• Blood-vessel function
• Blood-pressure regulation
• Autonomic nervous system activity

This doesn’t mean hormones are the sole cause of POTS.

POTS is a heterogeneous condition with multiple potential mechanisms, and researchers are still investigating why it develops and why symptoms differ so much between individuals.

POTS and the Menstrual Cycle

Changes around menstruation are among the better-described hormonal patterns in POTS.

Research involving women with POTS has found that perceived lightheadedness can vary throughout the menstrual cycle.

In one study, participants with POTS reported the greatest lightheadedness during menstruation.

Other physiological research has also identified differences in cardiovascular and hormonal responses during different phases of the menstrual cycle.

This provides a plausible reason why some people notice predictable symptom changes around their periods.

What POTS Symptoms Can Get Worse During a Period?

Individual experiences vary, but someone experiencing a menstrual-related POTS flare may notice changes in symptoms such as:

• Dizziness
• Lightheadedness
• Palpitations
• Fatigue
• Weakness
• Exercise intolerance
• Brain fog
• Near-fainting

Menstrual blood loss may also be relevant for some patients.

If periods are particularly heavy, clinicians may consider whether iron deficiency or anemia could be contributing to symptoms such as fatigue, weakness, tachycardia, or shortness of breath.

Those conditions require their own evaluation and should not automatically be attributed to POTS.

POTS and PMS

Some people specifically search for a connection between POTS and PMS because their symptoms become more noticeable before menstruation.

Premenstrual hormonal changes affect multiple body systems.

However, the exact mechanisms behind premenstrual POTS symptom changes are not completely understood.

Tracking symptoms across several cycles may help establish whether a repeatable pattern exists.

Consider recording:

• Menstrual-cycle dates
• Resting heart rate
• Standing heart rate, if advised
• Dizziness
• Fatigue
• Fluid intake
• Sleep
• Exercise
• Medication
• Severity of bleeding

This information may be useful when discussing recurrent symptom changes with a healthcare professional.

POTS During Pregnancy

Pregnancy produces major cardiovascular and hormonal changes.

Blood volume, heart rate, vascular function, and other physiological processes change throughout pregnancy, making the relationship between pregnancy and POTS particularly important.

Available studies indicate that symptom experiences during pregnancy are variable.

Some patients improve, some remain relatively stable, and others report worsening symptoms.

A large community survey found that many respondents reported worsening at some point during pregnancy, particularly during the first and third trimesters, but survey data cannot predict what will happen to an individual patient.

Pregnancy with POTS should therefore be managed individually.

Can POTS Start During or After Pregnancy?

Pregnancy and childbirth have been reported as potential events preceding the onset of POTS in some individuals.

That doesn’t mean pregnancy necessarily causes POTS.

POTS can begin after several types of physiological stressors, and its underlying mechanisms remain incompletely understood.

If symptoms such as persistent orthostatic tachycardia, dizziness, exercise intolerance, or near-fainting develop during pregnancy or after delivery, medical evaluation is appropriate because other conditions can produce similar symptoms.

POTS After Pregnancy

The postpartum period creates another major physiological transition.

Hormone levels, blood volume, sleep patterns, physical activity, and daily demands can change substantially after delivery.

For someone with POTS, these changes may coincide with symptom improvement, worsening, or a change in the way symptoms are experienced.

Persistent postpartum dizziness or tachycardia should not automatically be labeled POTS without evaluation.

Anemia, thyroid disorders, dehydration, infection, medication effects, and other conditions may need to be considered depending on the clinical situation.

POTS and PCOS

Polycystic ovary syndrome (PCOS) is a hormonal and metabolic condition involving features such as ovulatory dysfunction and hyperandrogenism.

There is scientific interest in autonomic function in PCOS, but a direct POTS-PCOS relationship has not been firmly established.

Having PCOS does not mean someone has POTS, and having POTS does not mean someone has PCOS.

Symptoms should be evaluated according to the diagnostic criteria for each condition.

If someone with POTS also experiences irregular menstrual cycles, signs of androgen excess, fertility concerns, or metabolic symptoms, these concerns may warrant separate evaluation by an appropriate healthcare professional.

POTS and Perimenopause

Perimenopause is the transition leading up to menopause, during which estrogen and progesterone levels become more variable.

Symptoms of perimenopause can include:

• Hot flashes
• Sleep disturbance
• Changes in menstrual cycles
• Palpitations
• Mood changes

Some of these symptoms can overlap with complaints experienced by people with autonomic disorders.

This can make symptom interpretation more complicated.

If a person with established POTS develops new symptoms during perimenopause, it is important not to automatically assume every change is caused by POTS.

POTS and Menopause

Research specifically examining POTS during menopause remains limited.

This is important because much of the historical POTS literature has focused on younger and premenopausal populations.

Questions about menopause, hormone replacement therapy, and long-term POTS management are increasingly relevant as more diagnosed patients reach midlife.

Because evidence remains incomplete, treatment decisions—particularly decisions involving hormone therapy—should be individualized with healthcare professionals who understand the patient’s complete medical history and cardiovascular risk.

Can Hormonal Changes Cause a POTS Flare-Up?

For some patients, hormonal transitions may coincide with worsening symptoms.

Menstruation is a recognized exacerbating factor in clinical POTS literature, and pregnancy can alter symptoms.

But not every flare has a hormonal cause.

Other potential contributors include:

• Heat
• Dehydration
• Illness
• Prolonged standing
• Poor sleep
• Changes in physical activity
• Medication changes
• Stress

This is why looking for patterns over time can be more useful than attributing a single bad day to hormones.

Should You Track Your POTS Symptoms and Hormonal Cycle?

For patients who repeatedly notice symptom changes around their periods, a simple symptom diary may be useful.

Track the same information consistently for several cycles.

For example:

Cycle: What day of your menstrual cycle is it?

Symptoms: How severe are dizziness, palpitations, fatigue, brain fog, or near-fainting?

Heart rate: If your clinician has asked you to monitor it, record resting and standing measurements consistently.

Sleep: Note unusually poor or interrupted sleep.

Hydration: Record major changes in fluid intake.

Bleeding: Note unusually heavy menstrual bleeding.

Medication: Record medication or dose changes.

Patterns can then be discussed with your physician.

When Should You Talk to a Doctor?

Consider medical evaluation when:

• POTS symptoms are becoming substantially worse
• Symptoms consistently worsen around menstruation
• Menstrual bleeding is unusually heavy
• You develop new or unexplained palpitations
• Dizziness or fainting changes significantly
• Symptoms begin during or after pregnancy
• Pregnancy is being planned with existing POTS
• Menopausal symptoms are complicating POTS management
• You have symptoms suggesting another hormonal or gynecologic condition

POTS can coexist with other medical conditions, so new symptoms shouldn’t automatically be attributed to autonomic dysfunction.

Frequently Asked Questions

Can PMS make POTS worse?

Some people report worsening POTS symptoms before or during menstruation. Research supports menstrual-cycle variation in orthostatic symptoms, although individual experiences vary.

Why does POTS get worse during my period?

The exact explanation is not completely established. Changes in hormones, fluid regulation, vascular responses, and menstrual blood loss may potentially contribute in different individuals.

Can pregnancy make POTS worse?

It can, but the course is variable. Some people report worsening, while others experience stable or improved symptoms. Individual medical supervision is important.

Can POTS start after pregnancy?

Pregnancy or childbirth has been reported before POTS onset in some patients, but this does not establish that pregnancy directly causes POTS.

Are PCOS and POTS connected?

A definitive direct relationship has not been established. Research has identified autonomic changes in PCOS, but PCOS and POTS remain distinct conditions with different diagnostic criteria.

Can menopause affect POTS?

It may affect symptoms in some individuals, but direct research on POTS during menopause remains limited. New or changing symptoms should be evaluated individually.

Can hormones cause POTS?

Hormonal changes may influence symptoms and orthostatic tolerance, but current evidence does not support describing hormonal changes as the single cause of POTS.

Understanding Your Individual POTS Pattern

Hormonal changes may be one part of a much larger POTS picture.

For some patients, menstruation is a recognizable trigger. Pregnancy may alter symptoms. Perimenopause and menopause introduce additional physiological changes that are still being studied.

But there is no single hormonal pattern that applies to everyone with POTS.

If symptoms repeatedly change with your menstrual cycle, pregnancy, postpartum period, or other hormonal transitions, documenting those patterns and discussing them with a healthcare professional can help guide individualized evaluation and management.

POTS.net provides evaluation and management for patients experiencing POTS and other forms of autonomic dysfunction.

Schedule an appointment if hormonal changes appear to be affecting your POTS symptoms or if your symptoms have changed significantly.