Cureus2026n = 10 studies met inclusion criteria
Systematic ReviewHuman
This study set out to evaluate whether botulinum toxin injections near the scrotum or testicles affect male fertility. It reviewed animal studies and human case reports, focusing on outcomes like…
Asian journal of andrology2026n = 43 studies included
Systematic ReviewHuman
This umbrella review (a review of other reviews) set out to catalogue what damages male fertility. It gathered 43 systematic reviews and meta-analyses published between 2000 and 2025, covering 67…
The journal of sexual medicine2026n = 639 men across 10 studies
Systematic ReviewHuman
This systematic review set out to assess how GLP-1 receptor agonists (a class of diabetes and weight-loss drugs) affect male reproductive hormones, semen quality, and metabolic health. It pooled data…
Reproductive biology and endocrinology : RB&E2026n = 38 studies
Systematic ReviewHuman
This systematic review set out to examine how phthalates, chemicals widely used to soften plastics and to carry fragrance in cosmetics, affect male fertility by altering semen quality. It pulled…
Human reproduction update2024n = 37 total studies
Systematic ReviewHuman
This scoping review aimed to assess how diet before conception affects male fertility and reproductive outcomes. It analyzed 37 studies, including one randomized controlled trial and 36 observational studies, published…
Frontiers in nutrition2024n = 2032 men
Systematic ReviewHuman
This systematic review set out to assess whether following a Mediterranean diet affects sperm quality in men of reproductive age. It analyzed 10 studies involving over 2,000 men aged 18-55,…