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Analysis of risk factors in patients with recurrent pregnancy loss and implantation failure

Analysis of risk factors in patients with recurrent pregnancy loss and implantation failure

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00020803
Enrollment
900
Registered
2020-02-25
Start date
2018-02-28
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

N96 N97.9

Interventions

Group 1: Patients with recurrent miscarriage, blood sample at the beginning of the menstrual cycle and during luteal Phase (19-24th day of cycle), endometrial biopsy also on day 19-24 of cycle Group 2

Sponsors

Medizinische Universität Innsbruck
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: RSA: The study includes all patients who have suffered at least two consecutive miscarriages and for whom standardized diagnostics will be carried out as part of the miscarriage consultation. RIF: The study includes all patients who were diagnosed with an RIF in accordance with the criteria specified in the study protocol during the fertility consultation and who were diagnosed with regard to the above. Risk factors are carried out. Control group: As a control group, a group of healthy, non-pregnant women without hormonal contraception between 20 and 40 years old, without existing pregnancies, without Z.n. Blood transfusions, without existing autoimmune diseases or regular medication, which are treated in the fertility clinic of the Clinic for Gynecological Endocrinology and Reproductive Medicine due to a male fertility restriction. A second control group consists of a group of women who have already had one or more successful pregnancies without a history of miscarriages and who are treated as part of contraceptive counseling.

Exclusion criteria

Exclusion criteria: Exclusion criteria:In order to obtain a comparable study collective, all patients for whom the complete diagnostics are not carried out are excluded from the study. Patients who cancel the diagnosis during the examination period are excluded from the study.

Design outcomes

Primary

MeasureTime frame
Subpopulations of T-cells, regulatory T-cells, B-cells and NK-cells in patients with RM and RIF

Secondary

MeasureTime frame
prevalence of the following Risk factors for RM and RIF: a) anatomic anomalies of the uterus o Uterus septus o myomas o Intracavitary synechies o Intracavitary polyps b) hemostaseology o Faktor II Mutation o Faktor V Leiden Mutation o Protein-S/C-deficiency o Antithrombin III deficiency c) endocrinology o Diabetes mellitus o Hypothyreosis o Hyperprolaktinaemia o luteal Phase deficiency d) numeric und structural chromosomal aberrations e) Immunology o Antiphospholipid-syndrome o Autoimmune auto-antibodies f) Smoking (cig/day)

Countries

Austria

Contacts

Public ContactThomas Kilian Vomstein

Medizinische Universität Innsbruck

kilian.vomstein@tirol-kliniken.at00435125040

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026