Yet more women than ever are now lighting up while pregnant, and the problem in Somerset is among the worst in the country.
Figures released today show that almost 15% of pregnant women smoke - that's the biggest rise for four years.
Charli Afzal used to smoke 20 cigarettes a day, but gave up when she became pregnant after advice from Somerset Stop Smoking Service:
For information on giving up smoking, visit the NHS Smokefree website.
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