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Study links geography to significant differences in sperm quality

A new nationwide study has found substantial regional differences in sperm quality, with men in the highest-performing region recording almost double the total motile sperm count of those in the lowest-performing region.

6 Jul 2026

Men's fertility-friendly underwear may be briefs without benefits

A narrative review found that tight-fitting underwear may modestly raise scrotal temperature and is inconsistently linked to lower sperm production measures. However, current evidence does not show that switching to looser underwear improves real-world fertility outcomes.

17 Jun 2026

Researchers develop non-hormonal contraceptives to reduce side effects for couples

In the 1970s, the contraceptive pill was the most frequently used method of contraception in Western countries; in Germany, for example, one in three women used "the pill."

6 Mar 2026

How "old RNA" reshapes sperm metabolism

Increasing paternal age has been linked to elevated health risks for the next generation, including higher risks of obesity and stillbirth. But what drives this increased risk remains unknown.

20 Jan 2026

Indiana University physician joins FDA panel on male hormone therapy

Helen Bernie, DO, MPH, assistant professor of urology at Indiana University School of Medicine, will participate in an expert panel on testosterone replacement therapy and men's health to be held Wednesday, Dec. 10, by the U.S. Food and Drug Administration. Bernie's role on the panel is that of a clinical expert on men's reproductive health, which is the focus of both her practice and academic research.

12 Dec 2025

Review reveals how paternal lifestyle shapes sperm epigenetics and offspring health

A new review in Clinical Epigenetics synthesises growing evidence that paternal lifestyle and environmental exposures such as diet, obesity, smoking, endocrine-disrupting chemicals, and stress alter sperm epigenetic marks (DNA methylation, histone retention, and small non-coding RNAs).

17 Oct 2025

Early childhood weight and illness linked to future health risks in men

New research has shown how boys being overweight in early childhood or having chickenpox or another infectious disease in infancy may increase their risk of having chronic disease in later life.

3 Jul 2025

The role of HPV in male fertility: New data on sperm quality and oxidative stress

Findings indicate HR-HPV infections affect sperm health, increasing oxidative stress and altering cytokine levels, emphasizing HPV's impact on male fertility.

27 Aug 2024

New research shows how testosterone may shield against severe Covid-19

A new study has revealed important information about how a patient's testosterone level can help protect them from severe Covid-19.

9 Aug 2024

Fertility warning: SARS-CoV-2 can linger in sperm for months after infection

Researchers at the University of São Paulo (USP) in Brazil have shown for the first time that SARS-CoV-2, the virus that causes COVID-19, can remain in the sperm of patients for up to 90 days after hospital discharge and up to 110 days after the initial infection, reducing semen quality.

4 Jun 2024

Understanding the long-term effects and safety of testosterone therapy in transgender men

Transgender individuals often face unique challenges in aligning their physical bodies with their true gender identity.

30 May 2024

Understanding the role of genetic variants in male infertility

Approximately one in seven couples face difficulties conceiving a child naturally. Half of these cases are due to male infertility – either caused by the complete absence or low number of mature sperm.

13 Apr 2024

Paternal alcohol consumption prior to conception can have a negative effect on fetal development

Researchers at Texas A&M University have already shown that paternal drinking habits prior to conception can have a negative effect on fetal development - with semen from men who regularly consume alcohol impacting placenta development, fetal alcohol syndrome (FAS)-associated brain and facial defects, and even IVF outcomes.

13 Dec 2023

Mediterranean diet linked to improved sperm quality

A study in the journal Nutrients finds that adherence to the Mediterranean diet positively correlates with improved sperm parameters in men. This observational cross-sectional study, involving 300 non-obese males, revealed that higher adherence to the diet is associated with better sperm motility, morphology, viability, and count, suggesting that diet can be a crucial factor in male fertility.

5 Dec 2023

What's really behind the male infertility crisis? New study seeks answers

This comprehensive study in Nature Reviews Urology tackles critical questions in male infertility, from its diagnosis and treatment to its impact on overall health. The review calls for a deeper understanding of male reproductive issues, better diagnostic methods, and improved public and medical awareness of the topic.

15 Oct 2023

Experts call for action as male infertility increases worldwide

Infertility now affects one in six couples of reproductive age according to the World Health Organisation. About half the time, it originates from men.

13 Oct 2023

COST Connect: A platform for collaboration and progress in cancer research

Beating cancer is a major challenge for research and innovation in the coming years. By 2030, it is estimated that over 1.5 million people in the EU will succumb to cancer.

6 Jul 2023

Obesity strikes below the belt: Study reveals link between obesity and male infertility

The influence of obesity on male fertility is still under debate. In the present investigation, researchers scrutinized semen samples from both obese individuals and those of normal weight. The aim was to explore the relationship between obesity, the length of sperm telomeres, levels of mRNA associated with autophagy, and diverse semen characteristics.

29 May 2023

Conflicting recommendations on COVID-19 vaccination for pregnant and breastfeeding individuals in Canada

In a recent study published in the journal SSM – Qualitative Research in Health, researchers in Canada examined expert discourses about coronavirus disease 2019 (COVID-19) vaccination in pregnancy.

12 Apr 2023