Анотація The most difficult form of male infertility to treat is azoospermia. It is identified as a
complete absence of sperm in the ejaculate. Depending on the nature and causes of …

To understand the infertility development it is important to study how individual components
of the connective complexes of Sertoli's cells are formed and developed in order to allow not …

Objective: To describe microbody and microscopic characteristics of spermatozoa obtained
from testes by micro-tese method (Microdissection testicular sperm extraction-micro TESE) …

Infertility is defined as the inability for a couple to conceive after 12 months of regular,
unprotected sexual intercourse. Research reported that the men contribute to nearly 50% of …

Sperm decrease in the ejaculate has been reported by many authors as a correlate between
spermiogram value and concentration of some biochemical parameters in the seminal …

Modern authors believe that male infertility accounts for 40–50%. The most severe form of
male infertility is azoospermia, which is observed in 10–15% of cases. The only method of …

As part of the work, an assessment was made of the state of the metabolic characteristics of
sperm plasma in various morphofunctional ejaculate pathologies. Physico-chemical …

The article presents current research on obstructive azoospermia-a pathological condition
accompanied by the absence of sperm and spermatogenesis cells in semen and/or in the …

We analyzed 755 semen samples from men with infertility in marriage and/or disorders of
reproductive system. Standard semen analysis (WHO, 2010) was performed for all the …

Background. Analysis of the causes of infertility revealed an increase in the proportion of
male factors over the past 20 years by an average of 10–12%. World Health Organization …