孕期可以饮用咖啡或茶吗?Q 在怀孕以前,我已经习惯了咖啡的味道,现在我已经怀孕3周,为了不对孩子造成影响,自从怀孕,我改为了喝茶。不过,有的同事说,喝茶同样也不好。请问,咖啡和茶会对孩子产生什么影响呢?少量饮用也不行吗?A 人们经常说咖啡和茶可以提神,这是因为咖啡和茶中含有一些可以使人兴奋的物质——咖啡因。在一段时间内,使人的中枢神经兴奋。在动物实验中发现,咖啡因有致基因突 Can I drink coffee or tea during pregnancy? Q Before I became pregnant, I had become accustomed to the taste of coffee. Now that I have been pregnant for three weeks, I have been drinking tea since I was pregnant. However, some colleagues said that drinking tea is equally bad. Excuse me, coffee and tea will have any effect on the child? A small amount of drinking is not enough? A people often say that coffee and tea can be refreshing, this is because coffee and tea contain some exciting substances - caffeine. In a period of time, people’s central nervous excitement. In animal experiments found that caffeine-induced gene mutations