Successful Pregnancy Following Dual Triggering Concept (rhCG + GnRH Agonist) in a Patient Showing Repetitive Inmature Oocytes and Empty Follicle Syndrome: Case Report

Juan Carlos Castillo, Joaquin Moreno, Miguel Dolz, Fernando Bonilla-Musoles

Abstract


    After ovarian stimulation some oocytes collected for IVF cycles are arrest at the GV o MI stage at the time of retrieval despite controlled ovarian stimulation (COS) and a correct administration of hCG. However, it is unusual to have a complete failure of oocyte maturation after COS, especially in presence of normally growing follicles. Empty follicle syndrome (EFS) is a condition of uncertain etiology in which no oocytes are retrieved from apparently normally growing ovarian follicles with normal estradiol levels after ovarian stimulation for assisted reproductive techniques. In genuine EFS, dysfunction of the folliculogenesis seems to be the most plausible etiology. We report a case of primary infertility in which four consecutive IVF attempts yielded immature oocytes or EFS. Finally, at a fifth attempt the use of hCGr + GnRHa (dual triggering) for final follicular maturation resulted in a successful live birth.




doi: http://dx.doi.org/10.4021/jmc1055w

Keywords


IVF; Immature oocytes; Empty follicle syndrome; GnRH agonist; hCG

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