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. Author manuscript; available in PMC: 2019 Nov 5.
Published in final edited form as: Am J Obstet Gynecol. 2019 Apr 30;221(5):383–392.e3. doi: 10.1016/j.ajog.2019.04.029

FIGURE. Model connecting periodontitis to APOs.

FIGURE

Damage to placental structures could result from direct action of P gingivalis virulence factors (A), proinflammatory cells responding to P gingivalis (B1), proinflammatory cells responding to the altered placental microbiome (B2), systemic spread of proinflammatory mediators responding to a dysbiotic oral microbiome (C), or damage to the placental structure may then lead to various APOs.

APO, adverse pregnancy outcome.