We applied the sisterchromatid exchange (SCE) technique to pregnant women with antibodies against cytomegalovirus (CMV) positive, to detect the lesion and repair of DNA in the lymphocytes.
Methods: the sisterchromatid exchange (SCE) test in mice spermatogonia was used in the study.
方法：采用小鼠精原细胞姐妹染色单体交换实验。
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Purpose and methods: Single cell gel electrophoresis (SCGE), sisterchromatid exchanges (SCE), chromosome aberrations are three methods to determine DNA damage and repair.