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5 min read

How Stress Affects Sperm Count and Male Fertility: New Research Explained

Authored by
Shaun Greenaway
Published on
April 23, 2025

When we talk about fertility, male stress isn’t usually the first topic that comes up. But a body of research is showing just how important emotional wellbeing is when trying to conceive — especially for men.

A new study published in Fertility and Sterility has found a strong link between stress and sperm quality. If you’re navigating male factor infertility or supporting a partner through treatment, here’s what you need to know.


What the Study Looked At

The study, led by Reddy et al., focused on 644 men attending a fertility clinic. Researchers measured perceived psychological stress using a standardised survey and compared the results to sperm count, concentration, motility (movement), and hormone levels.

Key Findings: Stress and Sperm Health

Men with higher levels of stress had:

• Around 30% fewer sperm

Lower sperm motility

Reduced total sperm count

Interestingly, hormone levels (including testosterone) didn’t show consistent changes. This suggests that stress may impact sperm through mechanisms like oxidative stress, inflammation, or cellular damage — rather than through traditional hormone disruption.

Why This Matters for Men

As we know, male fertility is often overlooked — and so is the emotional strain men carry during the TTC (trying to conceive) journey.

This research highlights that stress isn’t just a psychological burden — it’s a biological one too. And while stress is often seen as a “normal” part of life, chronic stress could be quietly affecting your ability to conceive.

6 Simple Ways to Reduce Stress and Support Sperm Health

Reducing stress doesn’t guarantee a pregnancy, but it may improve your chances — and it’s a meaningful way to take control of your health during a challenging time.

Here are some practical tips:

1. Move your body

Exercise helps manage cortisol and improve mood. It doesn’t have to be intense — even a walk makes a difference.

2. Sleep is serious

Sleep affects hormone regulation and sperm production. Aim for 7–8 hours per night.

3. Cut back on caffeine and alcohol

Both can raise stress and have a negative impact on sperm quality.

4. Talk it out

Stress grows in silence. Speak to a therapist (or our very own fertility coach Shaun), join a support group, or open up to a trusted friend. Join our men’s support group →

5. Try deep breathing

Even five minutes a day of calm can help reset your nervous system and improve focus.

6. Protect your headspace

Fertility treatment can take over. Create time for rest, connection, and things that bring you joy outside of trying to conceive.

Bottom Line

This study reinforces an important issue: stress and male fertility are closely linked. Taking care of your mental health isn’t just about getting through the day — it could play a part in improving your sperm quality too.

If you’re facing male factor infertility, or just want to take a more proactive approach to your reproductive health, reducing stress is a powerful place to start.

Read the full study:

Perceived stress in relation to testicular function markers among men attending a fertility clinic – Fertility and Sterility