During the past ten years at the University of Miami, we have studied the diagnostic value of a rapid staining technique in evaluating vaginal and cervical smears taken from obstetric and gynecologic patients. For obstetric patients, we examined smears for the presence of vernix caseosa or fetal squamous cells. The absence of these cells is a precise indicator of the integrity of fetal membranes in questionable instances of premature rupture of the amnion. For gynecologic patients, our objective was to obtain colpocytologic evidence of estrogen and progesterone production. This is a report of our experiences with vaginal cytology in the daily management of patients.
Staining Technique and Results
Cytodiagnosis of Ruptured Membranes.—
To test for ruptured membranes, cellular samples are obtained by inserting the sterile, gloved index finger in the external cervical os and the middle finger in the posterior fornix. Spreads are made on two clean glass slides and
Averette HE, Hammond DO, Cerha HT, Neri AS, Ferguson JH. Endocrine Colpocytology and Cytodiagnosis of Ruptured Fetal Membranes. JAMA. 1967;202(7):640–644. doi:10.1001/jama.1967.03130200126022
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