City Adverse Drug Reaction Monitoring Center Dr.Du Wenmin believe that the use of pregnant women there is no absolute security, penicillins and cephalosporins on the fetus are relatively safe.

• 市药品不良反应监测中心杜文民博士认为，对孕妇用药没有绝对安全的，青霉素类及头孢菌素类抗生素对胎儿相对较安全。