Racial Differences in Semen Quality: A Systematic Review and Meta-Analysis of Semen Parameters

IF 2 4区 医学 Q3 ANDROLOGY
Andrologia Pub Date : 2025-08-12 DOI:10.1155/and/7310532
Subin Park, Su-Yeon Cho, Yujin Kwon, Hyun Joo Lee, Eun Hee Yu, Jong Kil Joo, Ki-Tae Ha, Dokyoung Kim, Dongjun Lee, Jin-Woo Kim, Won Kyu Kim, Kihun Kim, Yun Hak Kim
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Abstract

Racial and ethnic differences in semen quality are crucial for understanding disparities in male reproductive health and infertility, yet these variations remain underexplored in the global context. We assess racial differences in semen quality, including key parameters, such as sperm concentration, motility, morphology, and total sperm count, while comparing outcomes between fertile and infertile groups, and examining variations across geographic regions and socioeconomic contexts, including comparisons between high-income and middle-income countries. A comprehensive search of PubMed, Embase, Scopus, and Web of Science was conducted for studies published from 1985 to 2024. Semen parameters included semen volume, sperm concentration, total sperm count, sperm motility, progressive motility, viability, and morphology. Data from 40 studies comprising 71,880 samples were synthesized using a random-effects meta-analysis, following PRISMA guidelines. Asians exhibited the highest sperm concentration (53.79 million/mL) and motility (54.97%), while Blacks showed the lowest values in sperm morphology (7.85%) and total sperm count (78.04 million). Fertile groups consistently outperformed infertile groups across all parameters, with significant declines in motility and morphology in the infertile population. ANOVA and Tukey post hoc tests confirmed significant intergroup differences. This study highlights substantial racial differences in semen quality, influenced by genetic, environmental, and socioeconomic factors. The findings emphasize the need for culturally tailored interventions and future research to address global disparities in male reproductive health.

Abstract Image

精液质量的种族差异:精液参数的系统回顾和荟萃分析
精液质量的种族和民族差异对于理解男性生殖健康和不孕症的差异至关重要,但这些差异在全球范围内仍未得到充分探讨。我们评估了精液质量的种族差异,包括关键参数,如精子浓度、活力、形态和精子总数,同时比较了可育组和不育组之间的结果,并检查了不同地理区域和社会经济背景的差异,包括高收入和中等收入国家之间的比较。对1985年至2024年间发表的研究进行了PubMed、Embase、Scopus和Web of Science的综合检索。精液参数包括精液体积、精子浓度、精子总数、精子活力、进行性活力、活力和形态。根据PRISMA指南,采用随机效应荟萃分析综合了40项研究的71880个样本的数据。亚洲人的精子浓度最高(5379万/mL),活力最高(54.97%),而黑人的精子形态最低(7.85%),精子总数最低(7804万)。不育群体在所有参数上的表现都优于不育群体,不育群体的活力和形态显著下降。方差分析和Tukey事后检验证实了显著的组间差异。这项研究强调了精液质量的重大种族差异,受遗传、环境和社会经济因素的影响。研究结果强调,需要针对不同文化的干预措施和未来的研究,以解决男性生殖健康方面的全球差异。
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来源期刊
Andrologia
Andrologia 医学-男科学
CiteScore
5.60
自引率
8.30%
发文量
292
审稿时长
6 months
期刊介绍: Andrologia provides an international forum for original papers on the current clinical, morphological, biochemical, and experimental status of organic male infertility and sexual disorders in men. The articles inform on the whole process of advances in andrology (including the aging male), from fundamental research to therapeutic developments worldwide. First published in 1969 and the first international journal of andrology, it is a well established journal in this expanding area of reproductive medicine.
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