Regional and ethnic differences in semen quality and reproductive hormones in Russia: A Siberian population-based cohort study of young men.

ABSTRACT:

Background

This is the first large-scale Russian study describing semen quality and reproductive hormone levels among young men.

Objectives

The aim of the study was to compare semen quality and reproductive hormone levels in young men of four cities and three ethnic groups living in the Siberian region of Russia and to find out ethnic or environmental reasons for regional differences.

Materials and methods

The study population consisted of 1291 young men from Novosibirsk, Kemerovo, Ulan-Ude, and Yakutsk, including 1013 men of three most numerous ethnic groups: Slavs, Buryats, and Yakuts. Each participant provided one sperm and blood sample, information about lifestyle and ethnicity. Anthropometric parameters, semen quality and reproductive hormone levels, were evaluat

SUBMITTER: Osadchuk L 

PROVIDER: S-EPMC8596582 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature