Despite advances in the field of male reproductive health, idiopathic male infertility, in which
a man has altered semen characteristics without an identifiable cause and there is no …

BACKGROUND Infertility is estimated to affect as many as 186 million people worldwide.
Although male infertility contributes to more than half of all cases of global childlessness …

Sexual and reproductive health care encompasses a broad range of services that ensure
people can decide whether and when to have children, experience safe pregnancy and …

Background Infertility affects an estimated 15% of couples globally, amounting to 48.5
million couples. Males are found to be solely responsible for 20-30% of infertility cases and …

Background Global, regional, and national estimates of prevalence of and tends in infertility
are needed to target prevention and treatment efforts. By applying a consistent algorithm to …

Infertility prevalence estimates Page 1 1990–2021 Infertility prevalence estimates Page 2
Page 3 1990–2021 Infertility prevalence estimates Page 4 Infertility prevalence estimates …

Infertility is a widespread problem and a male contribution is involved in 20–70% of affected
couples. As a man's fertility relies on the quantity and quality of his sperm, semen analysis is …

INTRODUCTION The purpose of the present study was to review existing population
surveys on the prevalence of infertility and proportion of couples seeking medical help for …

The emergence in 2006 of extensively drug-resistant strains of tuberculosis, especially in
countries with a high prevalence of human immunodeficiency virus, are serious threats to …

BACKGROUND Existing definitions of infertility lack uniformity, rendering comparisons in
prevalence between countries or over time problematic. The absence of an agreed definition …