产前诊断的前提①产前诊断不是一种筛选法,而只是在确认有遗传性皮肤病危险而为了确诊和分类时才进行。②孕有严重的遗传性皮肤病胎儿时应能终止妊娠。而那些有好的治疗方法的遗传性皮肤病,即使有很高的发病危险也不适宜做产前检查。③这些疾病的病 Prenatal diagnosis of prerequisite ① prenatal diagnosis is not a screening method, but only to confirm the risk of hereditary skin disease for diagnosis and classification only. ② pregnant with severe hereditary dermatitis should be able to terminate the pregnancy when the fetus. Hereditary dermatoses, which have good treatment, are not suitable for prenatal screening, even at high risk of morbidity. ③ disease of these diseases