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Recurrent reproductive wastage and immunologic factors
1Department of Obstetrics and Gynecology, Center for Growth and Reproductive Medicine, School of Medicine, Tokai University, Isehara City, Kanagawa, Japan. makino@is.icc.utokai.ac.jp
Summary
Recurrent pregnancy loss can be reduced by identifying and treating specific immunologic factors, such as anti-phospholipid antibodies and factor XII deficiency. Individualized therapy improves success rates in couples experiencing recurrent spontaneous abortion.
Area of Science:
- Reproductive Immunology
- Hematology
Background:
- Recurrent reproductive wastage has complex and varied causes.
- Identifying underlying factors is crucial for effective treatment.
Purpose of the Study:
- To investigate the role of immunologic factors in recurrent reproductive wastage when other causes are ruled out.
- To evaluate specific anti-phospholipid antibodies and coagulation factors in recurrent spontaneous abortion.
Main Methods:
- Over 1500 couples with recurrent spontaneous abortion were evaluated over 20 years.
- Exclusion of endocrine, organic, infectious, and genetic causes.
- Testing for anti-phospholipid antibodies and plasma contact proteins.
Main Results:
- Anti-phosphatidylethanolamine antibodies, anti-annexin antibodies, and factor XII deficiency were more prevalent than anti-cardiolipin antibodies in recurrent pregnancy loss.
- Paternal leukocyte immunotherapy showed improved success rates in specific patient groups.
Conclusions:
- Comprehensive immunologic evaluation, including various anti-phospholipid antibodies, is essential.
- Individualized therapy based on these evaluations can minimize recurrent reproductive wastage.