Check out this story on WHAS11.com: http://usat.ly/1C7uDq0 Using high definition images of fetuses in the womb researchers think they can see differences in prenatal developmental behavior in smokers vs. non-smokers. During a small pilot study, 20 pregnant women – 16 smokers and four non-smokers – were given ultrasounds to observe fetal activities at 24, 28, 32 and 36 weeks.
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