PLACENTAL MICROBIOLOGY AND HISTOLOGY AND THE PATHOGENESIS OF CHORIOAMNIONITIS

  • 1 January 1984
    • journal article
    • research article
    • Vol. 64  (6) , 802-806
Abstract
The proportion of cases of chorioamnionitis that was caused by microbiologic agents was determined. Seventy-five placentas were processed to isolate aerobic and anaerobic bacteria and chlamydia. Results were correlated with the presence or absence of histologic and clinical chorioamnionitis. Bacteria were recovered from 72% (18 of 25) of placentas with histologic chorioamnionitis and from 9 of 11 cases (82%) of clinical chorioamnionitis, all of which had histologic chorioamnionitis. Bacteria were recovered from only 15% (6 of 39) of placentas without histologic chorioamnionitis. Nearly 50% of the bacteria recovered from placentas were anaerobes, often fastidious in their growth requirements. Often 2-3 such anaerobes were recovered from a placenta. Bacteria could be responsible for most cases of chorioamnionitis.

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