The direct method to obtain chromosome metaphase from human chorionic villi is a new method of early prenatal diagnosis.
绒毛膜细胞直接法制备染色体是一种新的早期产前诊断方法。
Objective To explore a suitable mode of prenatal ultrasound diagnosis of fetal malformations with early neonatal surgical treatment.
目的探讨胎儿畸形的产前超声诊断和新生儿外科早期治疗模式。
Holds the prenatal visit, achieves the early diagnosis.
持产前检查，做到早期诊断。
Preimplantation genetic diagnosis is a very early form of prenatal diagnosis aimed at eliminating embryos carrying serious genetic diseases before implantation.
植入前遗传学诊断作为产前诊断的一种形式，可在胚胎种植前进行诊断，从而防止遗传病的发生。
Preimplantation genetic diagnosis is a very early form of prenatal diagnosis aimed at eliminating embryos carrying serious genetic diseases before implantation.
植入前遗传学诊断作为产前诊断的一种形式，可在胚胎种植前进行诊断，从而防止遗传病的发生。
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