AI Article Synopsis
- Recurrent miscarriages are linked to high rates of thrombophilia, making tests like calibrated automated thrombogram (CAT) important for evaluation.
- In a study of 25 pregnant women with unexplained recurrent miscarriages, 76% had live births and a similar percentage tested positive for thrombophilia, but thrombin generation did not vary significantly between miscarriages and successful pregnancies.
- CAT parameters showed a trend towards hypercoagulability among those with thrombophilia, but results were not statistically significant, suggesting that CAT cannot reliably predict pregnancy outcomes in this group.
Article Abstract
Background: Recurrent miscarriages are associated with a high prevalence of thrombophilia. Use of a calibrated automated thrombogram (CAT) can serve as a universal test for thrombophilia.
Objectives: To examine whether thrombin generation measured by CAT is elevated during the first trimester in women with unexplained recurrent miscarriages.
Methods: This study comprised 25 pregnant women with recurrent pregnancy loss referred for thrombophilia screening and treated with low-molecular-weight heparin (LMWH). Thrombin generation parameters were measured in women who had miscarriages or live births and who were diagnosed as positive or negative for thrombophilia.
Results: Of the pregnancies, 76% resulted in live birth and 24% ended in miscarriages. Among the women, 76% were positive for thrombophilia. Thrombin generation parameters between pregnancies that ended in miscarriage compared to live births were not significantly different, and CAT parameters failed to predict pregnancy outcome. Although the CAT parameters demonstrated a trend toward a hypercoagulable state in women with thrombophilia, there was no statistical significance (P > 0.05).
Conclusions: Women with unexplained pregnancy loss demonstrated similar thrombin generation in the first trimester, regardless of the pregnancy outcome. CAT parameters failed to predict pregnancy outcome in women with recurrent unexplained pregnancy loss. Our results should be interpreted with caution due to the small number of participants.
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