Concentrate of Autologous Rich Plasma in Growth Factors in the Treatment of the Thin Endometrium

Inclusion Criteria: * Women who signed informed consent. * Women who understand the Spanish language. * Women under 42 years Exclusion Criteria: * Thrombopenia. * Congenital or acquired uterine malformations that reduce embryo implantation or term gestation. * Ovarian tumors. * Benign uterine tumors require surgical treatment * Local acute inflammatory diseases * Patients with malignant tumors requiring chemotherapy. * Patients with acute or chronic infectious or inflammatory diseases requiring active treatment with drugs that may interfere with implantation and gestation. * Chronic treatment with NSAIDs (Nonsteroidal anti-inflammatory drugs)