Objective To evaluate the relation between antisperm antibodies (ASA) and human fertility
by reviewing the scientific literature of the last 45 years. Methods We carried out a review of …

Background Several factors have been shown to influence semen parameters, one of which
is sexual abstinence; a clinical criteria included in the semen evaluation to provide …

Male infertility can be responsible for up to 20% of the cases attending fertility consultation
facilities; nonetheless, the underlying molecular mechanisms that could explain it are still …

OBJECTIVE: To evaluate and compare standard sperm parameters, lipid peroxidation of
sperm plasma membranes, antioxidant capacity of seminal plasma, and sperm chromatin …

Objective The aim of this study was to evaluate the influence of different periods of
abstinence on conventional semen parameters as well as functional parameters in human …

Background The quality of semen depends upon several factors such as environment, life
style, physical activity, age, and occupation. The aim of this study was to analyze and …

Background: The aim of the study was to assess the effect of four repeated ejaculations on
the same day at two-hour intervals on conventional and functional semen parameters …

Objective This study evaluated the integrity of the chromatin structure, reactive oxygen
species (ROS) levels, mitochondrial membrane potential (MMP), DNA damage and lipid …

Introducción: El sistema de salud cubano ha logrado bajos índices de mortalidad materna e
infantil, lo que constituye un logro tanto para el sistema de salud como para el sistema …

Although the effect of maternal age on fertility is well known, it is unclear whether paternal
age also affects fertility. The aim of this retrospective study was to establish an association …