Selected Lifestyle Factors of Candidate Sperm Donors and Their Effect on Spermiogram Values in the Moravian Part of the Czech Republic. Study Protocol

INTRODUCTION:

Male infertility affects nearly 14% of men in Europe, and approximately 44% of them are unaware of the cause of their infertility. Thanks to the plentitude of research, we can now clearly define the risk factors that negatively affect semen quality, including substance abuse. The...