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妊娠期胚胎各器官都在迅速的发育,临床用药时胎儿的各个器官对药物的敏感性在妊娠的不同时期有很大差别,特别是对毒性物质的影响极为脆弱,药物的毒性或病毒感染往往破坏刚生成不久的胚胎组织细胞,使开始生长的胚胎器官组织发育停滞或导致畸形或造成功能方面的缺陷。因此,孕妇用药应考虑药物的药理作用对胎儿的影响,选择安全有效的药物。
Gestational embryonic organs are rapidly developing clinical drug sensitivity of the various organs of the fetus in different periods of pregnancy are very different, especially the impact of toxic substances is extremely fragile, drug toxicity or viral infection often Destroy the newly formed embryonic tissue cells, stagnate the embryonic organ tissues that begin to grow or cause deformities or cause functional defects. Therefore, pregnant women medication should take into account the pharmacological effects of drugs on the fetus, the choice of safe and effective drugs.