Nergis Taj, Ams-ul Alam M Shams, Sarah, Zunaira Bajwa, Abdul Waheed, Ehsan Ullah.
Bacterial Vaginosis in Pregnant Women and its diagnosis using Amsel’s Clinical Criteria and Nugent’s Method.
Pak J Med Health Sci Jan ;8(1):133-5.

Aim: To determine the frequency of bacterial vaginosis in pregnant women and to evaluate the accuracy of Amsel’s clinical criteria taking Nugent criteria as gold standard. Methods: It was a descriptive, observational study in which 380 asymptmatic pregnant women attending antenatal facility at two teaching hospitals were screened for bacterial vaginosis by Gram staining. Sensitivity and specificity of Amsel’s criteria were also assessed. Results: The frequency of bacterial vaginosis was 41(10.8%) by Gram’s staining. The sensitivity and specificity of Amsel’s clinical criteria was 54% and 98%. Positive and negative predictive value was 71% and 96% respectively. Clue cells had highest specificity. Positive and negative predictive values for combined (both) criteria were 63 and 98%, respectively. Conclusions: Bacterial vaginosis was found in a higher proportion of asymptomtic pregnant women. Amsel’s clinical criteria were useful but inferior to Gram’s staining for diagnosis of bacterial vaginosis.

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