Male subfertility and oxidative stress
2021
Emily P.P. Evans | Jorien T.M. Scholten | Aldona Mzyk | Claudia Reyes-San-Martin | Arturo E. Llumbet | Thamir Hamoh | Eus G.J.M. Arts | Romana Schirhagl | Astrid E.P. Cantineau
To date 15% of couples are suffering from infertility with 45–50% of males being responsible. With an increase in paternal age as well as various environmental and lifestyle factors worsening these figures are expected to increase. As the so-called free radical theory of infertility suggests, free radicals or reactive oxygen species (ROS) play an essential role in this process. However, ROS also fulfill important functions for instance in sperm maturation. The aim of this review article is to discuss the role reactive oxygen species play in male fertility and how these are influenced by lifestyle, age or disease. We will further discuss how these ROS are measured and how they can be avoided during in-vitro fertilization.
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