[First pregnancy achieved by modified natural cycle in a low responder patient's in Centro Médico Nacional 20 de Noviembre, ISSSTE].


There was a patient who went to fertilization in vitro, the control ovarian stimulation was using GnRHa in the luteal phase and FSHr 500 IU, she had poor response so she went into a new stimulation protocol using GnRH antagonist. The follow up was made since the 3rd day of menstruation with ultrasound scans, when the follicle reached 14 mm, the antagonist… (More)


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