ReviewIranian journal of public health2022
The Impact of High Ambient Temperature on Human Sperm Parameters: A Meta-Analysis.
Review in Iranian journal of public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
23 citing papers in PubMed, 36 citations in OpenAlex.
- Mapping the Global Evidence on Environmental and Climatic Factors Linked to Human Fertility-Related Outcomes: Protocol for a Scoping Review.JMIR research protocols · 2026Article
- Does Heat-Induced Activation of Mast Cells Contribute to Elevated Temperature-Induced Male Infertility?Pathophysiology : the official journal of the International Society for Pathophysiology · 2026Article
- Exosome Nanotherapy Rescues Male Fertility by Delivering Integrin β1 to Repair Environmental Stress-Damaged Testes.Molecular pharmaceutics · 2026Article
- Associations of ambient temperature exposure with embryonic and early fetal development.International journal of epidemiology · 2026Article
- Scrotal Botulinum Toxin Exposure and Male Fertility: Mechanistic Insights and Clinical Evidence.Cureus · 2026Review
- Seasonal trends in sperm quality in Denmark and Florida.Reproductive biology and endocrinology : RB&E · 2026Observational
- Advances in Research on Models of Oligoasthenozoospermia.Reproductive sciences (Thousand Oaks, Calif.) · 2026Review
- Impacts of environmental stressors on fertility and fecundity across taxa, with implications for planetary health.NPJ emerging contaminants · 2026Review
- Chromosomal Roadblocks in Male Fertility: Mechanisms, Risk Factors and Syndromes.Medicina (Kaunas, Lithuania) · 2025Review
- Review
- The Spontaneous Abortion of Females is Influenced by Their Male Partner's Heat Wave Exposure During Adolescence: A Nationwide Observational Study in China.Current medical science · 2025Observational
- Negative effect of seasonal heat stress on testis morphology and transcriptomes in Angora rabbit.BMC genomics · 2025Article
- Sauna therapy in rheumatic diseases: mechanisms, potential benefits, and cautions.Rheumatology international · 2025Review
- The involvement of TRPV1 in the apoptosis of spermatogenic cells in the testis of mice with cryptorchidism.Cell death discovery · 2025Article
- Urology on a changing planet: links between climate change and urological disease.Nature reviews. Urology · 2025Review
- Paternal Effects in Mammalian Reproduction: Functional, Environmental, and Clinical Relevance of Sperm Components in Early Embryos and Beyond.Molecular reproduction and development · 2025Review
- The RNA-seq mapping of Testicular Development after Heat Stress in Sexually Mature Mice.Scientific data · 2024Article
- Recent decline in sperm motility among donor candidates at a sperm bank in Denmark.Human reproduction (Oxford, England) · 2024Article
- The Impact of Oxidative Stress on Male Reproductive Function: Exploring the Role of Antioxidant Supplementation.Cureus · 2023Review
- Potential Function of Testicular MicroRNAs in Heat-Stress-Induced Spermatogenesis Disorders.International journal of molecular sciences · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Global warming, lifestyle, or working in a high temperature environment leads to have increased health risk factors. This meta-analysis was conducted to determine the impact of high ambient temperature on male reproductive function. Methods: Scientific articles were screened in the database including MEDLINE, EMBASE, National center for biotechnology information (NCBI) or Web of Science with relating keywords. Impact data of high ambient temperature on semen parameters were extracted and analyzed by STATA software according to the Random Effects Model. The high ambient temperature exposure group and Non-exposure group were compared using the standard mean difference (SMD). Publications were evaluated for publication bias by Egger test. Results: Nine articles were finally selected from databases examining the effect of high ambient temperature on male reproductive health of 356 men from Iran, Italy, Thailand, China, Egypt. High ambient temperature showed a significant decrease in the seminal parameters, semen volume during each ejaculation (SMD = -0.74; 95% CI -1.11, -0.36), sperm concentration (SMD = -1.07; 95% CI -1.42, -0.72), total sperm count (SMD = -1.52; 95% CI -2.96, -0.08), sperm motility (SMD = -1.93; 95% CI -2.83, -1.04), sperm progressive motility (SMD = -1.65; 95% CI -2.39, -0.91) and normal morphology (SMD = -2.41; 95% CI -3.30, -1.52). Conclusion: High ambient temperature negatively affects sperm quality, including decreased semen volume, sperm count, sperm concentration, motility and normal morphology. This might lead to protective strategies to avoid the adverse effects of high ambient temperature on male fertility.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.