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母体外周血浆中存在一定数量的游离的胎儿DNA已为许多学者所证实,为非侵入性产前诊断提供了一个有广泛应用前景的途径 综述胎儿DNA在母体外周血中的特点,检测技术的发展及其在产前诊断中的应用
The existence of a certain amount of free fetal DNA in maternal peripheral plasma has been confirmed by many scholars and provides a promising approach for noninvasive prenatal diagnosis. Review the characteristics of fetal DNA in maternal peripheral blood and the development of detection technology And its application in prenatal diagnosis