许多药物能通过胎盘进入胎儿体内,并对胎儿生长发育产生影响。这些影响主要包括两大方面:一是引起胎儿发育畸形;二是药物的毒性和副作用对胎儿生长发育的影响。在怀孕期内,什么时候用药关系很大。胚胎发育一般在母亲受孕后8周,也就是在停经两个月内,重要脏器开始形成。在受孕第 Many drugs can enter the fetus through the placenta and have an impact on fetal growth and development. These effects include two major aspects: First, cause fetal malformations; Second, the toxicity of drugs and side effects on fetal growth and development. During pregnancy, when the relationship between medicine is great. Embryonic development is generally 8 weeks after the mother’s conception, that is, within two months of menopause, the formation of important organs. In the first pregnancy