The Tobacco Reference Guide

by David Moyer, MD.


Chapter 14 Pregnancy and fertility

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Pregnancy and fertility: Smoking and Low Birth Weight

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7.6% of babies born to smokers are low birth weight, compared to 5.4% for

nonsmoking mothers.

Birth, March 1991, p. 49

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If smoking were eliminated, there would be 25% fewer babies born with low birth

weight and 41% fewer childhood deaths between one month and five years of age.

Pediatric Clinics of North America, April 1987, p. 363

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In a review of five clinical studies, 21% to 39% of the incidence of low birth weight

babies was attributable to maternal cigarette smoking. Compared with non-smokers,

light and heavy smokers have 54% and 130% increases in the prevalence of low birth

weight babies under 2500 grams, or about 5 1/2 pounds. In other studies, children of

smokers have shown deficits in growth, intellectual and emotional development, and

behavior.

JAMA, May 24, 1985, p. 2998

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Fetal growth may be adversely affected when the mother is passively exposed to

tobacco smoke during pregnancy. A mean birth weight deficit of 88 grams, about 3

ounces, was found in newborns of nonsmoking mothers whose fathers smoked more

than 20 cigarettes a day.

American Journal of Public Health, September 1994, p. 1489

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  Page 27 of 28

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