Possible teratogenic effect of cigarette smoking.
D000367:Age Factors; D000704:Analysis of Variance; D000013:Congenital Abnormalities / Q000209:etiology*; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006330:Heart Defects, Congenital / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007226:Infant Mortality; D010947:Plants, Toxic; D011247:Pregnancy; D012907:Smoking / Q000150:complications / Q000453:epidemiology; D014026:Nicotiana