Stopped: Low patient enrolment during the recruiting period
Chronic endometritis (CE) is a persistent inflammation of the endometrial lining caused by the infection of the uterine cavity mainly by bacterial pathogens. It is known that CE can produce implantation failure, recurrent abortion and preterm labor. The study hypothesis is that patients who have repeated implantation failures (RIF) despite transferring good quality and normal embryos, diagnosed by preimplantation Genetic Diagnosis (PGD), into a receptive endometrium, diagnosed by Endometrial Receptivity Analysis (ERA), may present asymptomatic CE, being the altered endometrium the main cause of these implantation failures. The current diagnosis of CE is the microbiological culture of endometrial biopsy samples. Alternatively, examination of the uterine cavity by hysteroscopy is effective at 93.4%. However, both methods have limitations, such as the time needed to obtain the diagnosis, the economic cost of the tests, the possibility of detecting microorganisms in culture etc. For these reasons, the developing of a simple, fast, cheap and minimally invasive diagnostic tool for CE patients subjected to IVF treatments is expected. It would be very useful in order to establish a specific treatment and improve pregnancy rates in infertile patients. For this reason, the bacterial DNA present in the endometrial fluid samples will be obtained and the identification of the causative pathogens of CE will be done by sequencing (NGS) and/or quantitative PCR with specific oligonucleotides for the most common bacteria causing CE. The validation of this new method will be performed by comparison with the microbiological diagnosis of those same patients.
Age range
18 Years – 38 Years
Sex
FEMALE
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Developing of a new non invasive diagnosis test by Next Generation Sequencing (NGS) analysis for patients diagnosed with chronic endometritis (CE).
Timeframe: 24 months