Smoking and pregnancy. A statistical study of 5,659 patients.
The outcome of 5,659 pregnancies was recorded over a period of six years. The group was divided into 2,630 smokers and 3,029 non-smokers. Smoking was associated with increased incidence of premature babies, but not increased infant mortality. This study confirms the findings of other investigators.
D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D012907:Smoking