However all the time it has been controverted that whether it is one safe application in pregnant patient and have more obvious effects in foetus and parent.

• 它对机体造成的影响已有多方面研究，证明是安全的。然而它在妊娠患者中能否安全的应用，是否对胎儿及母体有影响，一直存在着争论。