In recent years, the incidence of infertility has been increasing gradually, while the natural
rate of population growth is declining or even at zero growth. China is observed to enter a …

Background Studies on air pollution and outcomes of in vitro fertilization (IVF) have focused
on couples undergoing autologous IVF, in which it is challenging to disentangle maternal …

The microbiome plays a critical role in the process of conception and the outcomes of
pregnancy. Disruptions in microbiome homeostasis in women of reproductive age can lead …

This brief report concerns the role of human sperm morphology assessment in different
fields of male infertility: basic research, genetics, assisted reproduction technologies …

STUDY QUESTION To what extent is male fatty acid intake associated with fecundability
among couples planning pregnancy? SUMMARY ANSWER We observed weak positive …

Semen analysis is an integral component of the evaluation and management of men with
infertility. Although it is important for patient counseling and clinical decision making, a …

Testis stimulation with follicle-stimulating hormone (FSH) is one of the empirical treatments
proposed for male idiopathic infertility, although reliable markers to predict its efficacy are …

Objective This study focuses on the association between seminal concentration of
prosaposin and ambient air pollutants and whether the association affects the normal …

Research question In sperm samples with complete asthenozoospermia, pregnancies are
achieved by intracytoplasmic sperm injection (ICSI), but this condition has a negative impact …

STUDY QUESTION What is the impact of male age-and sperm-related factors on embryonic
aneuploidy? SUMMARY ANSWER Using a 3-fold analysis framework encompassing patient …