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BACKGROUND Almost all reported fluorescence in situ hybridization (FISH) kits for prenatal diagnosis use probes from foreign (non-Chinese) countries. The aim of this study was to analyze the reliability of domestic (Chinese) FISH probe sets to detect aneuploidies of chromosomes 13, 18, 21, X, and Y related to prenatal diagnosis in 4210 cases. METHODS(More)
OBJECTIVE To determine the risk factors of the pregnant women with early spontaneous abortion in Beijing. METHODS A total of 34,417 cases of pregnant women were participated in the survey from January 2000 to December 2013. A questionnaire was informed to each woman. The content of questionnaire includes four parts: general condition, obstetrical history,(More)
BACKGROUND Genetic factors are the main cause of early miscarriage. This study aimed to investigate aneuploidy in spontaneous abortion by fluorescence in situ hybridization (FISH) using probes for 13, 16, 18, 21, 22, X and Y chromosomes. METHODS A total of 840 chorionic samples from spontaneous abortion were collected and examined by FISH. We analyzed the(More)
BACKGROUND The 3q26 chromosome region, where the human telomerase RNA gene (hTERC) is located, is a biomarker for cervical cancer and precancerous lesions. The aim of this study was to confirm the value of measuring hTERC gene gain in predicting the progression of cervical intraepithelial neoplasia grade I or II (CIN-I and -II, respectively) to CIN-III and(More)
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