Consistent age-dependent declines in human semen quality: a systematic review and meta-analysis

SL Johnson, J Dunleavy, NJ Gemmell… - Ageing research …, 2015 - Elsevier
Reduced fertility typically occurs among women in their late 30s, but increasing evidence
indicates that advanced paternal age is associated with changes in reproduction as well …

[HTML][HTML] The effects of advanced paternal age on fertility

JR Kovac, J Addai, RP Smith, RM Coward… - Asian Journal of …, 2013 - ncbi.nlm.nih.gov
Modern societal pressures and expectations over the past several decades have resulted in
the tendency for couples to delay conception. While women experience a notable decrease …

[HTML][HTML] Semen quality and time to pregnancy: the Longitudinal Investigation of Fertility and the Environment Study

GMB Louis, R Sundaram, EF Schisterman… - Fertility and sterility, 2014 - Elsevier
Objective To assess semen parameters and couple fecundity as measured by time to
pregnancy (TTP). Design Observational prospective cohort with longitudinal measurement …

Ageing of the male germ line

C Paul, B Robaire - Nature Reviews Urology, 2013 - nature.com
Several studies have demonstrated a decline in the male reproductive system, sperm
quality, and fertility with advancing paternal age, yet many of the biological mechanisms that …

Infertile men older than 40 years are at higher risk of sperm DNA damage

S Alshahrani, A Agarwal, M Assidi… - Reproductive Biology …, 2014 - Springer
Background The effect of paternal age on semen quality is controversial. In this retrospective
study, the aim was to investigate the effects of advancing age on sperm parameters …

Aging results in differential regulation of DNA repair pathways in pachytene spermatocytes in the Brown Norway rat

C Paul, M Nagano, B Robaire - Biology of reproduction, 2011 - academic.oup.com
The present trend of increasing paternal age is accompanied by concerns for the
development of complex multigene diseases (eg, autism and schizophrenia) in progeny …

Impact of paternal age on assisted reproductive technology outcomes and offspring health: a systematic review

A Gourinat, C Mazeaud, J Hubert, P Eschwege… - …, 2023 - Wiley Online Library
Background The increase in paternal age and the percentage of births after assisted
reproductive technologies (ART) may have consequences on offspring and society's …

[HTML][HTML] Impact of age on semen parameters in male partners of infertile couples in a rural tertiary care center of central India: A cross-sectional study

N Kumar, AK Singh, AR Choudhari - International Journal of …, 2017 - ncbi.nlm.nih.gov
Background: High rates of sub-fertility and adverse pregnancy outcomes were seen after
age 40. In contrast to oogenesis, spermatogenesis continues in elderly men. Objective: To …

Low total motile sperm in transgender women seeking hormone therapy

C Marsh, M McCracken, M Gray, A Nangia… - Journal of Assisted …, 2019 - Springer
Purpose This study was undertaken to compare semen quality, hormonal status, and social
factors in transgender women seeking fertility preservation with those of fertile cisgender …

Reliability of testicular stiffness quantification using shear wave elastography in predicting male fertility: a preliminary prospective study

A Yavuz, A Yokus, K Taken, A Batur… - Medical …, 2018 - medultrason.ro
Aims: To evaluate the reliability of testicular stiffness quantification using shear wave
elastography in predicting the fertility potential of males and for the pre-diagnosis of …