Effect of a Multivitamin Supplement With Probiotic (Seidivid Ferty4®) on Oocyte Retrieval and Quality

The patient will start taking the study treatment (multivitamin supplement with probiotics) immediately after inclusion. Throughout the COH period of the protocol (usual mean duration: 11 days) the patient will continue taking the diatary supplement, without interruption until the day of the GnRH-agonist trigger.

The patient will start taking the study treatment (placebo) immediately after inclusion. Throughout the COH period of the protocol (usual mean duration: 11 days) the patient will continue taking the treatment (placebo), without interruption until the day of the GnRH-agonist trigger.