María José de los Santos

STUDY QUESTION: How should recurrent implantation failure (RIF) in patients undergoing ART be defined and managed? SUMMARY ANSWER: This is the first ESHRE good practice recommendations paper providing a definition for RIF together with rec…

RESEARCH QUESTION: How does the number of oocytes used affect the cumulative live birth rate (CLBR) in endometriosis patients who had their oocytes vitrified for fertility preservation? DESIGN: Retrospective observational study including d…

OBJECTIVE: To investigate the effect of short-term glucocorticoid administration on embryotoxicity of sera from infertile patients with mild to moderate endometriosis. DESIGN: Prospective longitudinal study. SETTING, PATIENTS: Eight infer…