Results 71 to 80 of about 6,674 (223)

Association between methylenetetrahydrofolate reductase C677T polymorphisms and male oligozoospermia, asthenozoospermia or oligoasthenozoospermia: a case–control study

Scientific Reports
Mutation of methylenetetrahydrofolate reductase (MTHFR) C677T leads to the decrease of folate utilization and the impairment of spermatogenesis. This study attempts to investigate the association between MTHFR C677T polymorphisms and nonobstructive ...
Fu-jia Ren, Guo-ying Fang, Zhi-yong Zhang   +2 more
doaj   +1 more source

Probiotic Supplementation as an Alternative to Antibiotics in Bovine Sperm Cryopreservation: Effects on Motility, Oxidative Stress and Apoptosis

Reproduction in Domestic Animals, Volume 61, Issue 3, March 2026.
ABSTRACT This study aimed to evaluate the effects of probiotic supplementation on bovine sperm cryopreservation by assessing post‐thaw spermatological and biochemical parameters. Twenty‐four ejaculations were collected from four Simmental bulls using the artificial vagina method.
Ali Doğan Ömür, Demet Çelebi, Serkan Ali Akarsu, Betül Apaydin Yildirim, Gamze Uçak, Tutku Can Acisu, Mehmet Akif Aydin, Sümeyye Başer, Özgür Çelebi, Recep Hakkı Koca, Gözde Arkali, Tarique Hussain   +11 more
wiley   +1 more source

Prostatic cyst: An unusual cause of hemospermia [PDF]

, 2015
A 31-year-old man was referred to our service because of recurrent hemospermia over the last 4 years, there were no other symptoms like perineal pain, fever, dysuria, nocturia or urgency; this patient only presented hemospermia with clots.
Arrambide Gutiérrez, José Gustavo, Gutiérrez González, Adrián, Gómez Guerra, Lauro Salvador, Hernández Galván, Fernando, Jaime Dávila, Rodolfo, Lozano Salinas, Juan Fermín   +5 more
core   +1 more source

Mapping the Non‐Canonical Splicing Variants: Decrypting the Hidden Genetic Architecture of Idiopathic Male Infertility

Advanced Science, Volume 13, Issue 9, 13 February 2026.
This study highlights the significance of non‐canonical splicing variants in male infertility, a factor often overlooked during the analysis of high‐throughput sequencing data. Incorporating the non‐canonical splicing variants prioritization in the genetic analysis pipeline will increase the genetic diagnosis of patients with male infertility ...
Kuokuo Li, Yuge Chen, Dongdong Tang, Yuying Sheng, Xu Han, Hao Geng, Na Zhang, Zongliu Duan, Guanxiong Wang, Yang Gao, Rui Guo, Rong Hua, Zhiming Ding, Chuan Xu, Qunshan Shen, Zhen Yu, Bing Song, Mingrong Lv, Yuping Xu, Huan Wu, Ji Wu, Yunxia Cao, Xiaojin He   +22 more
wiley   +1 more source

Intrauterine insemination: evaluation of the results according to the woman's age, sperm quality, total sperm count per insemination and life table analysis [PDF]

, 2017
We report on 332 infertile couples who underwent 1115 cycles of intrauterine insemination (IUI) with washed husband's semen. The indication for IUI was an abnormal post-coital test due to either a male or cervical infertility factor.
Bianchi, Patrizia Grace, Campana, Aldo, Comte, Isabelle, Pache, Thierry, Sakkas, Denny, Stalberg, Anne, Walker, Dilys   +6 more
core  

The IMSI procedure improves poor embryo development in the same infertile couples with poor semen quality: A comparative prospective randomized study [PDF]

, 2011
Background Sperm of poor quality can negatively affect embryo development to the blastocyst stage. The aim of this comparative prospective randomized study was to evaluate the role of an intracytoplasmic morphologically selected sperm injection (IMSI) in
Katja Knez, Branko Zorn, Tomaz Tomazevic, Eda Vrtacnik-Bokal, Irma Virant-Klun   +4 more
core   +2 more sources

Efficacy and Safety of Hirudotherapy for Improving Sperm Quality Parameters in Male Infertility: A Randomized Controlled Trial

Health Science Reports, Volume 9, Issue 2, February 2026.
ABSTRACT Background and Aims Male infertility, often characterized by impaired sperm parameters, remains a significant clinical challenge. This study aimed to evaluate the efficacy and safety of hirudotherapy (medicinal leech therapy) in improving sperm quality parameters in men with idiopathic infertility.
Mozhde‐Sadat Abtahi‐Forooshani, Shahla Roozbehani, Mahnoosh Fatemi, Ali Noori   +3 more
wiley   +1 more source

Validation of the polysemen admixture on viability and acrosomal morphology of boar spermatozoa [PDF]

, 2007
Semen were collected using artificial vagina (AV), from 5 large white boars aged 2-2.5 years twice a week for 16 weeks in each of the two seasons, early rainy (ER) and late rainy (LR) seasons, to determine the effects of multiple semen pool admixture on ...
Ogbuewu, IP, Okoli, IC, Okoro, VM, Umesiobi, DO   +3 more
core  

Ayurvedic Management of Asthenozoospermia

International Journal of Ayurveda and Pharma Research
Infertility is a problem of global population and is defined as the inability to conceive even after one year of unprotected coitus. It affects about 10-15% couples and male factor is directly responsible in about 30-40% cases. Asthenozoospermia is a common cause of male infertility and is characterized by reduced sperm motility.
null Asha Sreedhar, null Avani Suresh CK
openaire   +1 more source

Vitamin B12 and Reproductive Health: Clinical Insights, Emerging Mechanistic Understanding, and Nutritional Aspects

Molecular Reproduction and Development, Volume 93, Issue 2, February 2026.
ABSTRACT Epidemiological data from assisted reproductive technologies (ART) link vitamin B12 (VitB12) deficiency to shorter gestation, low birth weight, and reduced live birth rates. VitB12 also plays a critical role in fertility for both sexes by supporting gamete quality.
Aimee Rachel Mathew, Erisa Selita, Chiara Regano, Claudia Bianco, Veronica Corsetti, Virve Cavallucci, Sandra Moreno, Ada Maria Tata, Marco Fidaleo   +8 more
wiley   +1 more source