Ultrasonographic detection of a live fetus in recurrent spontaneous abortion during the first trimester |
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Authors: | Goto Shigenori; Hasegawa Isao; Higashino Masahiko; Kazama Yoshiki; Yamada Kiyoshi; Takakuwa Koichi |
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Institution: | Department of Obstetrics and Gynaecology, Niigata University School of Medicine Niigata, Japan |
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Abstract: | To examine whether recurrent spontaneous abortion (RSA) canbe distinguished from repeated sporadic spontaneous abortion,the clinical course of 38 cases with three or more consecutiveand unexplained first trimester RSAs were retrospectively investigatedin this study. For comparison with controls, the clinical coursewas examined of 38 fertile females, who had had sporadic abortions.In 19 (50%) RSAs and 6 (16%) controls, fetal cardiac activitywas demonstrated by ultrasound during the course of pregnancy.The rate of detection of live fetus during pregnancy or at 8weeks ± 7 days gestation, was significantly greater inthe RSA group compared to the control. The rate of vaginal bleedingbefore spontaneous abortion was significantly less in the RSAgroup than in the control group. There was no difference betweenthe two groups in age or gestational age at spontaneous abortion.The patients with RSA were all examined for antiphospholipidantibodies in their sera and these were detected in eight ofthem. However, there was no difference in the rate of positivefetal cardiac activity between the RSA patients who tested positiveor negative for antibody. These results reveal that the clinicalcourse of RSA is very different from the course of sporadicabortion. Although sporadic abortion is a common complicationof pregnancy, RSA is not a random repeated abortion, but rathera separate disease from sporadic abortion in normal fertilefemales. |
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Keywords: | fetal cardiac activity/habitual abortion/recurrent spontaneous abortion/ultrasonography |
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