The group was split into two, with 568 women drinking ordinary instant coffee and 629 drinking decaffeinated.
The group was split into two, with 568 women drinking ordinary instant coffee and 629 drinking decaffeinated.
研究人员将这些孕妇分为两组，其中的568人喝普通的速溶咖啡，而另外629人则喝不含咖啡因的咖啡。