To investigate the relationship between subchorionic hematoma (SCH) and coagulation status, autoantibodies, and conception method. A total of 100 pregnant women diagnosed with SCH from June 2020 to December 2021 in the Third Affiliated Hospital of Zhengzhou University were included in the SCH group, while 100 healthy pregnant women during the same period were selected as the control group. The coagulation status (including platelet, prothrombin time, thrombin time, activated partial thromboplastin time, fibrinogen, antithrombin Ⅲ, fibrin degradation products, D-dimer, homocysteine, protein S activity, protein C activity), the positive rate of autoantibodies [including antiphospholipid antibodies (anticardiolipin antibody and anti-β glycoprotein Ⅰ antibody), antinuclear antibody] and the mode of conception of the two groups were analyzed. Compared to the control group, the SCH group had higher levels of platelet [(240±45)×10/L vs (227±37)×10/L], fibrinogen [(4.0±0.8) vs (3.6±0.7) g/L], D-dimer [(0.42±0.18) vs (0.31±0.15) mg/L], blood homocysteine [(8.9±4.2) vs (6.9±2.3) μmol/L], and lower level of protein S activity [(55±14)% vs (68±20)%], and there were significant differences between the two groups (all <0.05). The SCH group had higher positive rates of autoantibodies [24.0% (24/100) vs 8.0% (8/100)], antiphospholipid antibodies [15.0% (15/100) vs 6.0% (6/100)], anti-β glycoprotein Ⅰ antibody [10.0% (10/100) vs 3.0% (3/100)], antinuclear antibody [11.0% (11/100) vs 2.0% (2/100)] and assisted reproduction rate [10.0% (10/100) vs 2.0% (2/100)] than those of the control group (all <0.05). The occurrence of SCH is related to blood hypercoagulability, positive autoantibodies, and assisted reproduction.
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http://dx.doi.org/10.3760/cma.j.cn112141-20230622-00284 | DOI Listing |
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