[Clinical outcome after transfer of vitrified blastocysts in relation to freezing indication].

Objectives: In France, embryo thawing concern 45.8% of attempts at assisted reproductive technologies excluding artificial inseminations. This proportion is constantly increasing for various reasons.

Non-obstructive idiopathic azoospermia vs azoospermia with antecedents of cryptorchidism: ways and probabilities of becoming parents.

Background: Non-obstructive azoospermia (NOA) with history of cryptorchidism and idiopathic NOA are the most common forms of NOA without genetic aetiology. Of all patients with one of these two types of NOA, only a few will have a positive TEsticular Sperm Extraction (TESE). Of those with positive extraction followed by sperm freezing, not all will have a child after TESE-ICSI.