The International Network of Women Against Tobacco says that about twelve percent of the world's women currently smoke. And they say that number is currently rising.
The World Health Organization estimates that the number of women smokers will triple over the next generation. The March of Dimes is a group that works in the United States.
They work through research, community services and education to improve the health of babies. They say that many women who already smoke will continue to smoke when they become pregnant.
A woman who is pregnant carries a great responsibility. She must care for her own body. But she must also care for the growing baby inside her.
When a woman takes substances into her own body, she also passes many of these substances into her unborn baby's body. This includes cigarette smoke. 下载全新《每日英语听力》客户端，查看完整内容