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Impact of chronic endometritis in endometrial receptivity and the prediction of the personalized window of implantation: a prospective before-and-after study

Impact of chronic endometritis in endometrial receptivity and the prediction of the personalized window of implantation: a prospective before-and-after study - Impact of chronic endometritis in the prediction of the personalized window of implantation: a prospective before-and-after study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000046909
Enrollment
240
Registered
2022-02-15
Start date
2022-02-15
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Infertility

Interventions

None listed

Sponsors

Igenomix Foundation
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Patients whose written informed consent approved by the Ethics Committee has been obtained, after having been duly informed of the nature of the study and voluntarily accepted to participate after being fully aware of the potential risks, benefits and any discomfort involved. Infertile patients between 18-37 years old with positive diagnose of CE by EMMA test already performed in an HRT cycle (P+5 day,120+-3h of progesterone exposure). IVF patients with own oocytes aged 18-37 years old. BMI, 18.5 to 30.0 (both inclusive). Negative serological tests for HIV, HBV, HCV, RPR. Sperm concentration is more than 2 million sperm/ml

Exclusion criteria

Exclusion criteria: Patients who are IUD carriers in the 3 months prior to the first biopsy for EMMA test. Patients who have taken prescribed antibiotics in the last 3 months prior to the first biopsy for EMMA test. Cases where the patient has received previous prophylactic antibiotics (1 single dose) to ovarian puncture in the stimulation cycle may be accepted. The administration of this prophylactic antibiotic should be at least 1 month before the sample collection (first biopsy for the EMMA test). Patients that received any surgical procedure in the 3 months prior to the first biopsy for EMMA test. Patients that present a different endometrial preparation (HRT) for the different cycles included in the study (1st mock cycle, 2nd mock cycle, ET cycle) in terms of P4 dosage, timing or route of administration. Patients with endogenous P4 >1ng/mL determined at day P+0 of the HRT cycles included in the study (1st mock cycle, 2nd mock cycle, ET cycle) or with unknow levels of endogenous P4 before the administration exogenous progesterone in any of the HRT cycles included in the study. Patients receiving personalized ET with embryos other than blastocyst in days 5 or 6. Patients cured of CE that do not follow the recommendations of the 2nd ERA test for pET. And others.

Design outcomes

Primary

MeasureTime frame
Result of the ERA test

Countries

Japan,Europe

Contacts

Public ContactInmaculada Moreno

Igenomix Foundation Igenomix Foundation

inmaculada.moreno@igenomix.com+34963905310

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026