通常，怀孕28周以上的孕妇坐飞机旅行是不可取的。
It is generally not advisable for pregnant women to travel by air after the 28th week of pregnancy.
切记：孕妇服药须遵医嘱，千万不可擅自用药。
Remember: medicine must be pregnant women, ten million cannot do STH without authorization as directed by a physician drug.
如果孕妇患病非用药不可，只要药性得当，剂量适度，也可以保证母亲和胎儿的安全。
If the drug not pregnant sicken, as long as medicinal proper, appropriate, also can ensure dose mother and baby's safety.
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