[General problems of endocrinology of the male sexual system: structural and functional organization, etiopathogenesis of insufficiency of the sexual glands and their major dysfunctions].

The reproductive system implements the fundamental biological function of preserving and maintaining the process of life. Gametogenesis provides reproduction of the whole organism, and steroidogenesis, through the influence of sex hormones on the process of gene transcription, is involved in the cell reproduction of private protein substances in this organism. Reproduction is the main and most complex property of life.

[The epidemiology of infertility in families].

This study of epidemiology of infertility in families has employed the guidelines of the WHO Program on Human Reproduction. The study involved 1976 infertile couples. It elucidated major diagnosis-related groups in the female and male population and data sets of the couples.

[Gonadotropic insufficiency in men with disorders of spermatogenesis].

The results of the investigation of 111 male patients with azoospermia, oligozoospermia and asthenoteratozoospermia revealed gonadotropic insufficiency in 28 (25.2%). The mean level of LH in the peripheral blood of the patients (4.