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  • Title: Combined thrombophilic mutations in women with unexplained recurrent miscarriage.
    Author: Sotiriadis A, Vartholomatos G, Pavlou M, Kolaitis N, Dova L, Stefos T, Paraskevaidis E, Kalantaridou SN.
    Journal: Am J Reprod Immunol; 2007 Feb; 57(2):133-41. PubMed ID: 17217367.
    Abstract:
    PROBLEM: To compare the prevalence of five common thrombophilic polymorphisms and their combination in women with recurrent miscarriage and a control group. METHOD OF STUDY: Genomic analysis using polymerase chain reaction (PCR) was carried out in patients with two or more miscarriages and controls for Factor V Leiden, Factor V A1299H (HR2), Factor II G20210A, MTHFR C677T and MTHFR A1298C. Secondary analyses were made for number of miscarriages and gestational age at miscarriage. RESULTS: None the mutations was associated with significantly increased risk for recurrent miscarriage. The prevalence of combined thrombophilias (4/88 versus 2/88) did not increase the risk for miscarriage (OR 2.04, 95% CI 0.36-11.47). Although virtually all patients with thrombophilia had miscarriages<or=10 weeks, statistical significance was not reached due to the small size of the >10 weeks' subgroup. There was no difference in the distribution of Factor V Leiden (P=1.000), FII G20210A (P=0.652), and MTHFR C677T (P=0.869) between patients with two and three or more miscarriages, whereas MTHFR A1298C was more common among patients with two miscarriages (P=0.017). CONCLUSIONS: Combinations of the five thrombophilic mutations studied are an uncommon event with heterogeneous pattern and they do not significantly increase the risk for miscarriage.
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