Addition of multi-level technologies to evaluate eggs and embryos and improve endometrial quality applied for in vitrofertilization to achieve pregnancy: a case studyTania G. Rojas-Pérez1*, Yúvika Reyes-Albarracín2*, Ortiz Ginna1, Juan José Suárez1, Vilchis Reyes Diego1, Cordero Oropeza Jacqueline1, Dinorah Hernández-Melchor1,2 and López-Bayghen Esther3**