Varicocele, closely linked to male fertility, requires urgent and focused research due to many unresolved questions. The absence of clear reference values distinguishing "normal" from "abnormal" semen parameters in the 6th World Health Organization (WHO) laboratory manual significantly complicates diagnosis and treatment. Additionally, the clinical relevance of total progressively motile sperm count (TMSC) remains unclear, leaving practitioners without critical guidance. The decision to perform varicocelectomy, particularly in cases of isolated teratozoospermia, is fraught with uncertainty. Furthermore, the best treatment strategy for those experiencing subfertility after varicocele surgery is still undetermined, adding another layer of complexity. These pressing issues, along with contentious debates surrounding isolated teratozoospermia treatment, highlight the need for large-scale multicenter randomized clinical trials. Such studies are essential to fully understand varicocele's impact on male fertility and to develop evidence-based management protocols.
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http://dx.doi.org/10.22514/j.androl.2024.017 | DOI Listing |
Environ Sci Technol
January 2025
College of Environment and Climate, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China.
Although epidemiological studies have explored the association between poly- and perfluoroalkyl substances (PFAS) concentrations and semen quality, existing findings are often inconsistent. Our work aimed to explore the association of PFAS in plasma and semen with repeated measures of semen quality parameters in healthy adults. Plasma was collected at the initial recruitment and semen was collected at least once within five predetermined intervals during an approximately 3-month period.
View Article and Find Full Text PDFFront Public Health
January 2025
Department of Statistics, College of Science, Aksum University, Aksum, Ethiopia.
Background: The process of childbirth involves significant risks, particularly when certain high-risk fertility behaviors (HRFBs) are observed. HRFB of birth includes maternal age below 18 years or above 34 years at the time of childbirth, having a child born after a short birth interval (24 months), and having a high parity (more than three children). The majority of child stunting cases were linked to high-risk reproductive practices.
View Article and Find Full Text PDFRegul Toxicol Pharmacol
December 2024
Division of Nephrology, University of Utah Health, Salt Lake City, UT, USA.
Marketed endothelin receptor antagonists (ERAs) have been associated with testicular tubular atrophy and decreases in male animal fertility in chronic toxicity studies in rats and dogs. Consistent with these findings, reduced sperm count has been observed in the clinical setting and is considered a potential class risk with chronic administration of ERAs. In contrast, no such effects on male animal fertility are noted with angiotensin II type 1 receptor blocker (ARB) treatment.
View Article and Find Full Text PDFBiochem Biophys Res Commun
December 2024
Department of Biological Sciences, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-0810, Japan.
During avian germ cell formation, primordial germ cells (PGCs) differentiate into prospermatogonia in testicular seminiferous tubules or into oogonia in the ovarian cortex in late-stage embryos. Although estrogenic endocrine-disrupting chemicals (EDCs) have been suggested to affect the differential fate of avian germ cells, there is currently no established method to examine the effects of EDCs on the differentiation potential of germline cells due to large amount of unidentified proteins present in avian germ cells. Regarding reliable molecular probes for the detection of germ cells that differentiated from the PGCs of Japanese quail, the prospermatogonium and oogonium, respectively, integrin beta1 (ITGB1), insulin-like growth factor 2-binding protein 1 (IGF2BP1), and stimulated by retinoic acid 8 (STRA8) were identified as marker proteins by RNA-seq and liquid chromatography tandem mass spectrometry analyses.
View Article and Find Full Text PDFTher Adv Reprod Health
December 2024
Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, 1150 NW 14th Street, Miami, FL 33136, USA.
Background: Reproductive health technology has evolved significantly since the introduction of in vitro fertilization in 1978, enhancing the possibility of conceiving children at later stages in life. Despite these advancements, there remains a critical gap in fertility knowledge among young adults, as demonstrated by recent studies. This gap is compounded by the growing influence of social media on health information, where misinformation can distort public understanding of fertility-related issues.
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