Why Isn’t Menstrual Health at the Center of Climate Action?

Prof. Melissa Mezzari

Melissa Paola Mezzari, Ph.D.

Research and Project Lead - YON E Health

The Climate Conversation Is Missing Something Close to the Body

Today, nearly 3.6 billion people live in regions where environmental stress is not an occasional disruption but part of daily life. Somewhere around the globe, these people are exposed to drought, salinity, flooding and heat conditions. And within that reality, women and girls carry a disproportionate share of health consequences, shaped by reproductive biology and reinforced by social boundaries that tend to harden during crisis rather than loosen.

One of the clearest examples sits close to the body and far from most policy tables: menstrual health.

Menstruation spans decades of life. It is routine, cyclical, predictable. And yet it remains largely absent from climate frameworks. National adaptation plans often overlook it altogether. That omission matters more than it appears.

Because climate change is not only reshaping coastlines or rainfall patterns. It is reaching inward, interfering with biological rhythms that were never designed to operate under chronic environmental strain. A normal bodily process becomes a source of pain, infection, anxiety, and quiet stress for millions.

And the striking part is this: the science is no longer vague. It is increasingly clear.

Where Heat, Hormones, and Scarcity Converge

Menstrual health is not defined solely by the absence of disease. It depends on comfort, stability, and the practical ability to manage bleeding without fear or shame. Those conditions are becoming harder to sustain.

Heat plays a direct biological role. Elevated ambient temperatures influence endocrine signaling, shifting the hormonal rhythms that regulate ovulation and cycle timing. Luteinizing hormone, follicle-stimulating hormone, gonadotropin-releasing hormone: these are the messengers that maintain cyclical order. And the smallest changes in signaling due to environmental stressors and conditions can be easily translated into irregular cycles, missed periods, intensified cramps, and prolonged discomfort.

Food insecurity adds another layer of pressure. As rainfall patterns destabilize and harvests decline, diets narrow; particularly in agricultural communities operating with little margin for nutritional resilience. Iron deficiency becomes more common. Anemia rises. Cycles lengthen, then pause.

In coastal Bangladesh, women described subsisting on rice and salt as soil salinity increased, followed by months without menstruation. The body conserves energy under stress. It recalibrates. But that recalibration carries physiological and emotional weight.

The body adapts. It always has.

The deeper question is how much we expect it to absorb without structural support.

Quiet Adaptation: Living With Shifting Ground

For many women, climate stress does not arrive as a single catastrophic event. It accumulates gradually. It is learned through repetition. It is referred a the “quiet adaptation,” a steady recalibration to changing environmental realities, often without acknowledgment or assistance.

Salinity intrusion makes this especially visible. As sea levels rise, saltwater moves inland, contaminating ponds and wells that once supplied fresh water. In regions such as Gabura Union in Bangladesh, surrounded by tidal rivers, access to drinkable water has reshaped daily routines.

Adaptation here looks like long walks under heat to reach less saline sources, increasing physical strain and exposure to risk. During menstruation, it often means washing cloths or bathing in water that irritates the skin and never quite feels clean.

What is remarkable is not a lack of effort. It is the absence of visibility. These adjustments rarely appear in climate metrics, yet they reflect resilience already in motion.

When Water Itself Becomes a Stressor

Using saline or contaminated water for menstrual hygiene carries immediate and cumulative effects. Burning sensations. Persistent rashes. Itching severe enough to interrupt sleep. Privacy is limited, and cloths are often washed discreetly and dried in damp, hidden corners where hygiene is difficult to maintain.

Over time, reproductive and urinary tract infections increase, particularly among adolescent girls. Fatigue becomes chronic. Irritation lingers.

The impact extends beyond menstruation. High salinity in drinking water has been associated with gestational hypertension and eclampsia, linking one environmental stressor to complications across the reproductive timeline.

When we trace these patterns, we see something important: environmental stress does not isolate itself within one phase of life. It ripples.

Recognizing that continuity is not alarmist. It is analytical clarity.

Disasters and the Fragility of Privacy

Cyclones and floods intensify everything. Homes collapse. Latrines disappear. Women and girls find themselves in temporary shelters where managing menstruation becomes public, improvised, and deeply uncomfortable.

Adolescent girls in Bangladesh described sitting through storms unable to change menstrual materials for an entire day, crying quietly to avoid notice. Shame can settle quickly in those moments. Isolation follows. When stigma intersects with trauma, mental health suffers, even if it never enters formal reporting systems.

Displacement also raises the risk of gender-based violence. Shared or temporary WASH facilities can expose women to danger, while avoiding them may mean skipping hygiene or medical care. These are not personal failures. They are structural trade-offs.

And they reveal where adaptation planning has not fully accounted for lived biology.

The Policy Gap and the Opportunity Within It

Despite mounting evidence, menstrual health remains largely invisible in climate policy. A review of 119 national climate commitments found that fewer than 1% explicitly addressed it.

Water resilience is frequently acknowledged. But the connection between water systems and menstrual health is rarely made explicit. Disaster plans seldom integrate the two. Funding patterns mirror this gap. In parts of Africa, only a small fraction of climate finance reaches the health sector.

The absence is not due to a lack of ideas.

Solar-powered desalination units for emergency shelters. Reliable distribution of reusable or compostable menstrual products during floods. Sanitation infrastructure designed with privacy and safety in mind. These are not distant innovations. They are feasible solutions stalled by omission rather than impossibility.

When policy does not name menstruation directly, it assumes it will be handled quietly.

But quiet handling is not resilience.

What Menstrual Resilience Could Look Like

Climate resilience does not begin with concrete alone. It begins with bodies.

It means sanitation spaces that maintain privacy and access to clean water even during emergencies. Supply chains that hold when roads fail. Policy language that recognizes menstruation explicitly rather than treating it as implicit. Community education that reduces stigma instead of reinforcing it.

It also means clinical precision: recognizing when irregular cycles, persistent infections, or chronic anxiety may trace back to environmental stress rather than personal deficiency. Naming that connection does not complicate care; it clarifies it.

Menstrual justice is not peripheral. It is a measure of whether climate action is willing to meet biology where it actually lives.

Listening to What the Body Is Telling Us

We can trace how heat alters hormonal rhythms. We can map how salinity reshapes infection rates. We can correlate environmental stress with menstrual disruption across life stages.

Ignoring those signals is not neutral. It is a decision about what counts as central in climate discourse and whose experience remains peripheral.

Menstruation is not a side issue. It is a decades-long biological rhythm that reflects environmental stability with remarkable sensitivity.

If climate action is truly systemic, it cannot overlook the systems that live within us.

The data is there. The patterns are visible. The opportunity to respond differently is real.

The question is whether we are ready to move menstrual health from the margins to the center, where it has always belonged.

At YON E Health, we begin with what’s closest: the body itself. Science now illuminates patterns once invisible, showing how climate stress reshapes women’s health from the inside out. Ignoring those signals isn’t neutral: it’s a choice about whose experience counts, whose cycles matter, and whose voice is heard.

References

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