Enfermedad periodontal como factor de riesgo adicional asociado con nacimiento pretérmino en México: un estudio de casos y controles.

Introduction: Substances related to microorganisms involved in periodontal disease can reach the maternal-fetal interface via the hematogenous route and stimulate uterine contractility.

Objective: To determine the association between periodontal disease and preterm birth.

Method: Case-control study in 343 preterm and 686 full-term pregnant women.