Original Articles
14 November 2022
Vol. 1 No. 3 (2022)
Association between non-O blood type and early unexplained recurrent spontaneous abortion in women with and without inherited thrombophilia
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All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
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We retrospectively evaluated the prevalence of non-O blood type – the most frequently inherited prothrombotic factor – and inherited thrombophilia (IT) in a group of women with recurrent spontaneous abortion (RSA). All consecutive women with a history of early unexplained RSA who underwent a screening for IT between December 2008 and December 2021 were considered for enrolment. A group of healthy, age-matched women with ≥1 normal pregnancy and no adverse pregnancy outcomes acted as controls. Two hundred and seventeen women were enrolled. The adjusted odds ratio (aOR) of RSA in non-O vs. O blood type was 1.37 (95% CI, 1.04-2.78), and in women with vs. without IT was 1.26 (95% CI, 1.08-3.61); aOR of RSA in women with non-O blood type and IT was 2.52 (95% CI, 1.12-5.47). We observed a significant association between non-O blood group or IT and RSA. The concomitant presence of non-O blood group and IT further increases RSA risk.
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How to Cite
Association between non-O blood type and early unexplained recurrent spontaneous abortion in women with and without inherited thrombophilia. (2022). Bleeding, Thrombosis and Vascular Biology, 1(3). https://doi.org/10.4081/btvb.2022.47
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