Type of gonadotropin and embryo kinetics of development Tipo de gonadotropina y cinética del desarrollo embrionario Non-inferiority study of the type of gonadotropin used during a controlled ovarian stimulation protocol. To compare if the gonadotropin administered during ovarian stimulation affects timing of embryo...

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Use of the corifolitropina alfa in oocyte donors Uso corifolitropina alfa en donantes de ovocitos Non-inferiority study of corifollitropin alfa regarding a conventional ovarian stimulation protocol with recombinant FSH and / or HP-hMG compared to the number of oocytes retrieved and the number of m...

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Comparative analysis between recombinant FSH biosimilar vs. urinary FSH in a oocyte donation program Análisis comparativo entre biosimilar FSH recombinante vs. FSH urinaria en un programa de donación de ovocitos Non-inferiority study of a biosimilar of recombinant FSH regarding a conventional ovarian stimulation protocol with urinaryFSH compared to the number of oocytes retrieved and the number of metaphase I...

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The role of resveratrol for preventing the ovarian hyperstimulation syndrome Resveratrol como tratamiento preventivo del Síndrome de Hiperestimulación Ovárica Evaluate the effect of resveratrol on VEGF levels Evaluar el efecto del resveratrol en los niveles de VEGF

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Endometrial receptivity with different support protocols for the luteal phase in ovarian stimulation cycles in which final oocyte maturation is carried out with GnRH analogues. Analysis by endometrial microarrays. Receptividad endometrial con diferentes protocolos de soporte de fase lútea en ciclos de estimulación ovárica en los que la maduración final ovocitaria se realiza con análogos de la GnRH. Análisis mediante microarrays de endometrio The primary objective of this clinical trial is to evaluate the influence of different therapeutic strategies during the luteal phase (steroids, recombinant LH, hCG at low doses) in endometrial recept...

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