Effect of cigarette smoking on fetal breathing movements in normal pregnancies.
In 18 women with uncomplicated pregnancies smoking two cigarettes significantly reduced the proportion of the time that fetal breathing movements were present.
D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D009538:Nicotine / Q000009:adverse effects; D011247:Pregnancy; D012119:Respiration; D012907:Smoking / Q000503:physiopathology*; D013997:Time Factors; D014463:Ultrasonography
D009538:Nicotine