Elevated nicotine levels in cervical lavages from passive smokers.

One hundred forty-five nonsmokers found to have normal cytologic diagnoses on routine Pap smears were interviewed regarding environmental exposure to tobacco smoke, and a 3 ml saline lavage of the cervix was collected for measurement of cervical nicotine levels by gas chromatography-mass spectroscopy. Nicotine levels tended to be highest among women exposed to tobacco smoke in the home, intermediate in women exposed only outside the home, and lowest in women recalling no exposure (p = 0.001).