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논문 기본 정보

자료유형
학술저널
저자정보
Choi, Soo-Kyung (Genetic Research Laboratory, Samsung Cheil Hospital & Women's Healthcare Center, Medical Research Institute, Sungkyunkwan University) Park, So-Yeon (Genetic Research Laboratory, Samsung Cheil Hospital & Women's Healthcare Center, Medical Research Institute, Sungkyunkwan University) Han, Jung-Yeol (Department of Obstetric and Gynecology, Samsung Cheil Hospital & Women's Healthcare Center, College of Medicine, Sungkyunkwan University) Ryu, Hyun-Mee (Department of Obstetric and Gynecology, Samsung Cheil Hospital & Women's Healthcare Center, College of Medicine, Sungkyunkwan University) Jun, Jong-Young (Department of Obstetric and Gynecology, Samsung Cheil Hospital & Women's Healthcare Center, College of Medicine, Sungkyunkwan University)
저널정보
대한의학유전학회 Journal of genetic medicine Journal of genetic medicine 제2권 제2호
발행연도
1998.1
수록면
59 - 63 (5page)

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Between 1988-1998, cytogenetic analyses were performed for 1,476 couples and 162 women with recurrent abortions. We applied GTG-banding, high resolution-banding and FISH (fluorescent in situ hybridization) techniques in this study. The frequency of balanced translocations was 3.6% (112/3114). Of them, 74 cases (2.38%) were reciprocal translocations and 38 (1.22%) were robertsonian translocations. Chromosome aberrations were more frequent in women (80 cases) than in men (32 cases). No phenotypical abnormalities were found in all carriers who had experienced recurrent spontaneous abortions or experienced giving birth to malformed offsprings. Prenatal cytogenetic analyses were carried out on 40 subsequent pregnancies for carrier couples with balanced translocation. The fetal karyotypes showed that 13 cases (32.5%) were normal, 25 (62.5%) were balanced translocations, and two (6%) were unbalanced translocations. It is believed that the frequency of chromosomal abnormalities in patients with recurrent spontaneous abortion is higher than that of the normal population. Most of the fetal samples showed normal karyotypes or balanced translocations matching that of one of their parents. Although the incidence of chromosomal imbalance in the fetuses was relatively low in prenatal cytogenetic analysis, individuals with balanced translocations are predisposed to giving birth to malformed offsprings with partial trisomy or monosomy. Therefore, we recommend the cytogenetic and the prenatal cytogenetic analysis for those who experiences recurrent abortion as well as in case they become pregnant, to prevent the birth of offsprings with chromosomal abnormalities.

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