Approximately 7% of men suffer from fertility problems, the etiology of which are ascribable
to a number of factors acting at pretesticular, posttesticular, or testicular levels. About 20% of …

Purpose: Greater than 10% of couples are unable to achieve pregnancy. In at least 30% to
50% of these infertility cases a male factor abnormality is involved. Genetic defects are …

Infertility is a common condition estimated to affect 10–15% of couples. The clinical causes
are attributed in equal parts to the male and female partners. Diagnosing male infertility …

PURPOSE: We provide an up-to-date summary of the genetic aspects of male infertility.
MATERIALS AND METHODS: The literature on male infertility was extensively reviewed …

About 15% of couples have reduced fertility and in approximately one-half of all cases the
reason is male infertility, usually of genetic origin. Thus, in the context of research in genes …

Approximately 1 in 6 couples in the Western world is not able to conceive spontaneously
after 1 year of unprotected intercourse; in nearly half of these couples, the male partner has …

While 7% of the men are infertile, currently, a genetic etiology is identified in less than 25%
of those men, and 30% of the infertile men lack a definitive diagnosis, falling in the …

The most common cause of male infertility is idiopathic. Fresh insights based on genetic and
molecular analysis of the human genome permit classification of formerly unexplained …

Infertility is defined as a failure to conceive in a couple trying to reproduce for a period of two
years without conception. Approximately 15 percent of couples are infertile, and among …

Male infertility is an extraordinarily common problem affecting 1 in 25 men. Despite active
research, the underlying causal factors remain unknown in a large percentage (40%) of …