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Clinical and Experimental Obstetrics & Gynecology  2015, Vol. 42 Issue (4): 490-494    DOI: 10.12891/ceog1881.2015
Original Research Previous articles | Next articles
The frequencies of the presence of embryonic pole and cardiac activity in early miscarriages with abnormal karyotypes
Yukun Liu1, Yinglin Liu1, Hui Chen1, Tao Du1, Jianping Tan1, Jianping Zhang1, *()
1Department of Obstetrics and Gynecology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou (China)
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Abstract  
Aims: The objective of this study was to compare the frequencies of the presence of an embryonic pole and cardiac activity in miscarriages with normal and abnormal embryonic karyotypes. Materials and Methods: From January 2008 to December 2012, 405 patients with early miscarriage were evaluated during pregnancy by regular ultrasound, and karyotyping was performed on chorionic villus tissue after curettage. The frequencies of the presence of an embryonic pole and cardiac activity were compared between patients with a normal embryonic karyotype and patients with an abnormal embryonic karyotype. Results: Of the 405 samples, 224 cases (55.3%) had an abnormal karyotype, and 181 cases (44.7%) had a normal karyotype. The frequencies of the presence of an embryonic pole and cardiac activity in miscarriages with normal embryonic chromosomes (71.8% and 57.5%, respectively) were similar to those of miscarriages with abnormal embryonic chromosomes (74.1% and 62.1%, respectively). The frequencies of the presence of an embryonic pole and cardiac activity were higher in miscarriages with viable autosomal trisomies (trisomies 21, 13, and 18), monosomy X, and triploidy than in miscarriages with a normal karyotype or other abnormal karyotypes. Conclusions: The frequencies of the presence of an embryonic pole and cardiac activity are higher in miscarriages with viable autosomal trisomies, monosomy X, and triploidy than in miscarriages with a normal karyotype or other abnormal karyotypes.
Key words:  Miscarriage      Chorionic villus      Karyotype analysis      Ultrasound     
Published:  10 August 2015     
*Corresponding Author(s):  J. ZHANG     E-mail:  zjp2570@126.com

Cite this article: 

Yukun Liu, Yinglin Liu, Hui Chen, Tao Du, Jianping Tan, Jianping Zhang. The frequencies of the presence of embryonic pole and cardiac activity in early miscarriages with abnormal karyotypes. Clinical and Experimental Obstetrics & Gynecology, 2015, 42(4): 490-494.

URL: 

https://ceog.imrpress.com/EN/10.12891/ceog1881.2015     OR     https://ceog.imrpress.com/EN/Y2015/V42/I4/490

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