Outcome of Three Controlled Ovarian Hyperstimulation Protocols in Poor Responding Infertility Patients

Inclusion Criteria: * Patients will be considered eligible if they are poor ovarian responders according to the Bologna criteria (Ferraretti et al., 2011). * Two out of three of the following criteria are essential in order to classify a patient as poor ovarian responder: * advanced maternal age (≥40 years) or any other risk factor for poor ovarian response; * a poor ovarian response (≤3 oocytes with a conventional stimulation protocol); or * an abnormal ovarian reserve test (antral follicle count, \<7 follicles or anti-Mullerian hormone, \<1.1 ng/ml).