孕妇用药带有普遍性。据报道,在孕妇中82%的人经医生处方用药,65%自行购药服用,92%在妊娠期间至少用过1种以上的药,4%用过10种以上的药。这样,就必然涉及到药物对母体和胎儿的影响。母体用药不当,有时能引起流产、早产等;有些药物还能造成胎儿先天性畸形。目前,要直接观察对胎儿 Pregnant women medication is universal. It has been reported that 82% of pregnant women are prescribed medication by doctors, 65% take their own medicine, 92% use at least one drug during pregnancy, and 4% use more than 10 drugs. In this way, it will inevitably involve the impact of drugs on maternal and fetal. Maternal medication inappropriate, and sometimes can cause miscarriage, premature birth, etc .; some drugs can also cause fetal congenital malformations. Currently, direct observation of the fetus