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Antinuclear antibody testing in obstetric patients
I E Afman1, H S Cronjé, G Joubert
1Department of Obstetrics and Gynaecology, University of the Free State, Bloemfontein.
Summary
Antinuclear antibodies (ANAs) are not linked to adverse pregnancy outcomes. Routine ANA testing in high-care obstetric units is not recommended based on this study.
Area of Science:
- Obstetrics and Gynecology
- Immunology
- Clinical Medicine
Background:
- Antinuclear antibodies (ANAs) are markers of autoimmune conditions.
- The role of ANAs in pregnancy outcomes requires further clarification.
Purpose of the Study:
- To investigate the association between ANA presence and pregnancy outcomes.
- To evaluate the clinical utility of ANA testing in obstetric practice.
Main Methods:
- A case-control study involving 408 obstetric patients.
- Comparison of demographic data, admission indications, and pregnancy outcomes between ANA-positive (n=46) and ANA-negative (n=92) groups.
Main Results:
- No significant differences in demographic data, admission reasons, or pregnancy outcomes were found between ANA-positive and ANA-negative groups.
- A higher prevalence of anticardiolipin antibodies was observed in patients with severe pre-eclampsia.
Conclusions:
- ANA presence is not associated with adverse pregnancy outcomes.
- Routine ANA testing in high-care obstetric units is not recommended.