[Karyotype analysis of amniotic fluid cells and comparison of chromosomal abnormality rate during second trimester].


OBJECTIVE To investigate the karyotypes of amniotic fluid cells and compare the incidence of chromosomal abnormality as well as to evaluate the clinical significance of abnormal karyotypes. METHODS A total of 13 648 pregnant women came to Shanghai Jiai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University to do amniocentesis… (More)


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