Highlights

Novel insights into the genetic and epigenetic paternal contribution to the human embryo	The epidemiology and etiology of azoospermia
Update in the evaluation of the azoospermic male	The importance of semen analysis in the context of azoospermia
A comprehensive review of genetics and genetic testing in azoospermia	Obstructive azoospermia: reconstructive techniques and results
Medical management of non-obstructive azoospermia	Hypogonadotropic Hypogonadism Revisited
The role of varicocele treatment in the management of non-obstructive azoospermia	An update on spermretrieval techniques for azoospermic males
Predictive factors for sperm retrieval and sperm injection outcomes in obstructive azoospermia: Do etiology, retrieval techniques and gamete source play a role?	Prognostic factors for sperm retrieval in non-obstructive azoospermia
Laboratory processing and intracytoplasmic sperm injection using epididymal and testicular spermatozoa: what can be done to improve outcomes?	Cryopreservation of testicular and epididymal sperm: techniques and clinical outcomes of assisted conception
Reproductive outcomes, including neonatal data, following sperm injection in men with obstructive and nonobstructive azoospermia: case series and systematic review	Intracytoplasmic spermatid injection and in vitro maturation: fact or fiction?
Biotechnological approaches to the treatment of aspermatogenic men