Tobacco smoking and body weight of newborns

: Literature data about the effects of tobacco smoke constituents in pregnancy are reviewed. Analysis on the authors material comprises 73 smoking and 70 non-smoking women in pregnancy. In the former group the natal body weight of new born is by 308 g lower and the placental-fetal index by 0.02 higher with no differences in the body weight increase of smoking and non-smoking women in pregnancy.