What are the impacts of pollution on fertility?

You can’t have missed it: environmental pollution has reached alarming levels. We know its consequences for the planet and human health. But science is increasingly focusing on the link between pollution and fertility. Does our ecosystem directly impact our ability to conceive? Let's take a closer look at this issue, its alarming truths, and some tips to best protect your fertility.

Gametes: The Basic Unit of Reproduction

The exact link between fertility and pollution remains quite abstract. Scientists are starting to take a serious look at the subject, but they still have a lot to discover. Here's what we already know.

Impact of Air Pollution on Fertility

According to a study published on Cairn, there is a growing and disheartening observation: pollution may impact our ability to conceive children. The cause? Organic pollutants (hydrocarbons, found for example in smoke), atmospheric pollutants, and metallic pollutants (such as copper, lead).

The problem with these chemical substances is that they negatively influence our hormones and can damage reproductive cells, in both women and men. Results: male gametes are damaged, and ovule production is disrupted. These pollutants can also cause stress to these same cells, and consequently, create damage to sperm DNA and affect future generations. Nothing very cheerful, in short.

This article may also interest you: How to know if a man is infertile?

Harmful Effects of Pollution on Gametes

Science is therefore already able to affirm: in our reproductive health system, the first victims of pollution… are gametes.

According to a study by Santé publique France, pollutants can generate several problems for human fertility. In men, this can result in:

• a decrease in sperm motility;
• a loss of quality;
• congenital diseases.

Female fertility is also impacted with:

• an increase in polycystic ovaries;
• an increase in miscarriages;
• a disruption of the menstrual cycle.

A decrease in sperm and egg production, and/or premature puberty can also be observed in both sexes, as well as a higher risk of developing a chronic disease in adulthood.

The Consequences of Pollution on Fertility Worldwide

Around the world, we are beginning to notice how deleterious the consequences of pollution on fertility are proving to be.

China: An Alarming Case Study

China, in particular, presents a worrying situation. A recent study published in JAMA (Journal of the American Medical Association) explains that researchers analyzed the gametes of over 33,000 Chinese men. Their finding? Atmospheric pollutants have reduced the ability of sperm to move correctly. Results: the overall decrease in sperm quality would be more caused by environmental rather than genetic factors.

The Rest of the World: Worrying Trends

Although China is one of the most polluting industrialized countries on the planet, it is (obviously) not the only one concerned by the issue. In a survey on male fertility, the GQ media outlet points to an alarming fact: boys produce half as much sperm as their grandfathers. The World Health Organization emphasizes that 50% of infertility cases in the global population could be explained by factors exclusively related to men. And therefore, among other things, by this poor quality of gametes.

Until what age is a man fertile? We tell you everything!

The Culprits: Toxic Components and Their Effects

So, who are the culprits for such a drop in fertility? Well, there are many on the accused bench. Here are a few.

Endocrine Disruptors: Invisible Enemies

Endocrine disruptors are chemicals that interfere with our hormones and weaken fertility. These include:

• bisphenols;
• dioxins;
• paracetamol;
• phthalates.

The problem is that they occupy a lot of space in our daily lives. For example, food packaging, cosmetic products, or toys. How do they work? It's simple: they mimic (or block) natural hormonal actions, and consequently lead to reproductive health disorders.

Also be aware of the "cocktail effect", i.e. simultaneous exposure to several chemicals. In these cases, the negative impact is amplified. We can only advise you to choose products designed without endocrine disruptors. Moom, for example, offers organic, vegan and certified endocrine disruptor-free cosmetics. This will reduce the chemicals hidden in your toiletry bag.

Other Pollutants and Their Potential Impacts

Other culprits for declining fertility? Let's mention, for example, fine particles (present in air pollution). Add to that pesticides (numerous in agribusiness), and heavy metals. That's a lot! And yes, all these molecules also have consequences for our reproductive health, as they affect the quality of gametes. And can affect reproductive health.

Simple Measures to Adopt

All right, let's end this article on a more optimistic note. Don't worry! To protect yourself (as much as possible) from pollution, and to protect your fertility, you can implement a few simple actions.

Here is a non-exhaustive list, to be consumed without moderation:

• Prioritize walking. Or cycling. You'll do good for your body and the planet.
• Choose ecological cosmetics and cleaning products. You will reduce your exposure to endocrine disruptors.
• Aerate your home. You will decrease the concentration of indoor pollutants.
• Filter your tap water. You will eliminate any heavy metals present in it.
• Reduce your use of plastic, often filled with chemicals. Prefer glass or stainless steel.
• Try to eat organic and local if you can. You will consume foods less exposed to pesticides. And you will support less polluting agriculture.
• Take care of your nutritional intake with fertility supplements, formulated to support preconception.
• Finally, adopt a good lifestyle, and limit your alcohol consumption! There is a real link between liver and fertility. So take care of it.

Yes, we agree: these actions may seem anecdotal compared to the environmental challenges we face. But their cumulative effect can really change the game. And help you preserve your reproductive health at the same time.

The impact of pollution on our overall health, female infertility, and male infertility remains a huge problem. But recognizing it also highlights our collective ability to positively influence the future. So let's continue to inform ourselves. And let's adopt simple, but responsible behaviors. A virtuous circle for your health and that of the planet.