Results 11 to 20 of about 40,908 (256)

Association between ambient temperature and semen quality: A longitudinal study of 10 802 men in China

Environment International, 2020
Semen quality is a vital determinant for male fertility. The process of spermatogenesis is highly sensitive to fluctuations in temperature. However, the impact of ambient temperature on semen quality remains unclear. We aimed to quantitatively assess the
Yun Zhou, Tianqing Meng, Li Wu, Yonggang Duan, Guo Li, Chunxiang Shi, Hai Zhang, Zhe Peng, Chuangang Fan, Jixuan Ma, Chengliang Xiong, Wei Bao, Yuewei Liu   +12 more
doaj   +1 more source

Correlation between sperm DNA methylation level and semen quality among 73 college students in Chongqing, China

陆军军医大学学报, 2023
Objective To investigate the association of sperm DNA methylation level with routine semen parameters and sperm chromatin integrity. Methods A total of 73 male individuals who were sampled from our previously established cohort of the male reproductive ...
WANG Lihong, WANG Lihong, HE Shijun, CHEN Qing, LING Xi, SUN Lei   +5 more
doaj   +1 more source

#241 : Impact of Antioxidants in Improving Semen Parameters Like Count, Motility and DNA Fragmentation in Sub-Fertile Males: A Randomized, Double Blind, Placebo Controlled Clinical Trial

Fertility & Reproduction, 2023
Background and Aims: Male infertilities are solely responsible for 20-30% of infertility cases. Oxidative damage of sperm DNA is positively linked with oligoasthenoteratozoospermia (OAT), and male infertility.
Ameet Patki
doaj   +1 more source

What is harmful for male fertility: Cell phone or the wireless internet?

Kaohsiung Journal of Medical Sciences, 2015
In this study, we aimed to assess the potential harmful effects of radiofrequency-electromagnetic radiation on sperm parameters. We requested semen for analyses from the male patients coming to our infertility division and also asked them to fill out an ...
Mehmet Erol Yildirim, Mehmet Kaynar, Huseyin Badem, Mucahıt Cavis, Omer Faruk Karatas, Ersın Cimentepe   +5 more
doaj   +1 more source

Physical and morphological characteristics of Kankrej bull semen

Veterinary World, 2013
Aim: Present investigation was carried out to study the physical characteristics of Kankrej bulls semen by evaluation of various semen parameters from neat semen and at various stages of semen preservation. Materials and Methods: A total of 60 ejaculates,
Bharatkumar R. Patel, G. M. Siddiquee
doaj   +1 more source

D-3-O-methylchiroinositol (from Pilostigma thonningii) ameliorates cadmium chloride (CdCl₂)-induced toxicity in male reproduction

Journal of Applied Sciences and Environmental Management, 2018
This study examined the possible protective effect of D-3-O-methylchiroinositol isolated from stem bark of Pilostigma thonningii on cadmium chloride (CdCl2)-induced reproductive toxicity in male Wistar rats.
E.A. Uwagie-Ero, C.O. Nwaehujor, C.N. Abiaezute, O.B. Ocheja, O.K. Ekeolu, I.U. Asuzu   +5 more
doaj   +1 more source

Decline of semen quality among Chinese sperm bank donors within 7 years (2008-2014)

Asian Journal of Andrology, 2017
Semen from 5210 sperm bank donors was analyzed and trends in semen quality were evaluated at Shandong Human Sperm Bank between 2008 and 2014. After 2-7 days of abstinence, semen samples were collected.
Li Wang, Lin Zhang, Xiao-Hui Song, Hao-Bo Zhang, Cheng-Yan Xu, Zi-Jiang Chen   +5 more
doaj   +1 more source

Effect of Pfizer/BioNTech and Sinovac/CoronaVac Vaccines on Semen Parameters in Infertile Patients with Idiopathic Infertility: A Single-center Cohort Study

Journal of Urological Surgery, 2023
Objective:We investigated the effects of Coronavirus disease-2019 (COVID-19) vaccines on semen parameters in patients with idiopathic infertility who visited our urology clinic.Materials and Methods:Patients who visited our andrology clinic between ...
Eyüp Dil
doaj   +1 more source

Temporal trends in sperm count: a systematic review and meta-regression analysis. [PDF]

Hum Reprod Update, 2017
Levine H, Jørgensen N, Martino-Andrade A, Mendiola J, Weksler-Derri D, Mindlis I, Pinotti R, Swan SH.   +7 more
europepmc   +2 more sources

Identifying windows of susceptibility to essential elements for semen quality among 1428 healthy men screened as potential sperm donors

Environment International, 2021
Background: Essential elements such as iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), selenium (Se), rubidium (Rb), strontium (Sr), and molybdenum (Mo) are necessary for reproductive health.
Heng-Gui Chen, Qi Lu, Zhou-Zheng Tu, Ying-Jun Chen, Bin Sun, Jian Hou, Cheng-Liang Xiong, Yi-Xin Wang, Tian-Qing Meng, An Pan   +9 more
doaj   +1 more source