Climate change is one of the defining challenges of our time – but could it also be affecting your reproductive health?
A recent systematic review published in Reproductive Health has highlighted several ways in which rising temperatures and extreme weather events may impact women’s fertility, menstrual health, and reproductive choices. While the research is still evolving, the findings are important enough to warrant attention – especially if you are planning a pregnancy or thinking about the timing of your family.
Here’s what you need to know, and what you can do to protect your health.
What the Research Shows
High Temperatures and Fertility
Studies have found that exposure to high temperatures may be linked to reduced ovarian reserve – a sign that eggs may be ageing faster. Some regions with warmer monthly maximum temperatures (roughly above 15–20°C / 59–68°F) showed decreases in fertility rates.
Regional Temperature Patterns and Fertility Rates
The relationship between heat and fertility isn’t uniform across the world. Researchers found that the effect becomes more noticeable once average monthly maximum temperatures move into that 15–20°C range, suggesting a threshold beyond which heat starts to place measurable strain on reproductive function.
Eco-Anxiety and Family Planning
Climate-related stress and worry – sometimes called “eco-anxiety” – can influence family planning decisions. Some women are choosing to have fewer children due to concerns about the future. This is a very real and valid emotional response, and it deserves the same care and attention as any other factor shaping your reproductive choices.
Extreme Weather and Social Pressures
Extreme weather events can worsen social and economic pressures, and in some settings have been associated with harmful outcomes such as forced marriages. This highlights the broader societal impact of climate change on women’s wellbeing, reaching well beyond the purely physical.
Seasonal and Regional Variations
Seasonal and regional climate differences have also been linked to changes in reproductive timing, such as earlier menopause in some studies.
What This Means for You
The research is still evolving. Most studies so far show associations rather than proven cause-and-effect. However, the patterns are clear enough to warrant awareness and action.
Awareness is helpful: if you’re trying to conceive, thinking about timing, or planning pregnancy, climate and heat exposure may be one of several factors to consider.
Factors That Influence Your Personal Risk
Your personal risk depends on many things:
Age and Medical History
Your baseline fertility, ovarian reserve, and any existing reproductive health conditions all shape how much of an effect heat and climate stress might have on you.
Where You Live and Work
Geography matters. Warmer climates, urban heat islands, and outdoor or poorly ventilated workplaces can all increase your day-to-day heat exposure.
Housing Conditions and Heat Exposure
Access to cooling, insulation, and ventilation at home can make a significant difference to how much heat stress you experience, particularly during heatwaves.
Access to Healthcare and Social Supports
Having a trusted healthcare provider and a support network to turn to can help you manage both the physical and emotional sides of climate-related reproductive health concerns.
Practical Steps You Can Take
Protect Yourself From Extreme Heat
Daily Heat-Safety Habits
Small daily habits can meaningfully reduce your heat exposure and protect your reproductive health over time.
Indoor Cooling Measures
Where possible, keep your living and working spaces cool using air conditioning, fans, or cool showers, and avoid prolonged exposure during the hottest hours of the day.
Quick Options if You Don’t Have Air Conditioning
If air conditioning isn’t available, try closing blinds during peak heat, using damp cloths on your neck and wrists, staying on lower floors, and seeking out air-conditioned public spaces such as libraries or shopping centres when temperatures spike.
Beyond the home, remember to:
- Stay hydrated
- Avoid prolonged exposure during hot hours
- Seek cooler spaces if you must work outdoors
Talk With Your Healthcare Provider
Mention any climate- or heat-related concerns, changes in your menstrual cycle or fertility, or mental health impacts. Your gynaecologist can offer tests, referrals, or personalised advice tailored to your circumstances.
Plan for Your Mental Wellbeing
Eco-anxiety is real. Strategies like talking with trusted friends or professionals, limiting distressing news, and focusing on actions you can control can help. Community groups and counselling can be a valuable source of support.
Consider Reproductive Planning Options
If climate concerns are affecting your family plans, discuss contraception, fertility preservation (when appropriate), or assisted reproductive options with a clinician who understands your goals and timeline.
Know Your Rights and Supports
After extreme weather events, seek out community resources for housing, food, and healthcare – these reduce the social stressors that can otherwise harm reproductive health.
Advocate and Prepare
Support public health and climate policies in your community that reduce heat risk, improve housing and healthcare access, and protect vulnerable groups.
When to Seek Medical Help
Please contact your healthcare provider if you experience:
- Sudden or persistent irregularities in your menstrual cycle
- Sudden changes in fertility, pelvic pain, or other concerning symptoms
- Signs of heat illness: dizziness, fainting, very high body temperature, or a rapid heartbeat – seek immediate care
- Anxiety, depression, or trauma related to climate events affecting your daily life
Final Thoughts
Climate change can have real effects on women’s reproductive and sexual health – but many steps can reduce risk and improve outcomes. Staying informed, protecting yourself from heat, getting routine gynaecological care, and seeking support for your mental health are practical, important actions you can start today.
If you have specific concerns about fertility, menopause timing, or pregnancy planning, talk with your gynaecologist.
About the Author
Mr Javaid Muglu, Consultant Gynaecologist
eGynaecologist