• J Jesús Pérez-Molina, María Janeth González-Cruz, J Guadalupe Panduro-Barón, Luz Patricia Santibáñez-Escobar, Norma Argelia Quezada-Figueroa, and Martín Bedolla-Barajas.
• Hospital Civil de Guadalajara "Dr. Juan I. Menchaca", División de Pediatría, Servicio de Neonatología. Guadalajara, Jalisco, México.
• Gac Med Mex. 2019 Jan 1; 155 (2): 143-148.

IntroductionSubstances related to microorganisms involved in periodontal disease can reach the maternal-fetal interface via the hematogenous route and stimulate uterine contractility.ObjectiveTo determine the association between periodontal disease and preterm birth.MethodCase-control study in 343 preterm and 686 full-term pregnant women. Gestational age was calculated based on the date of the last menstrual period and confirmed with Capurro and Ballard methods. Periodontal disease was diagnosed according to the depth of the space between the tooth root and the gum. The association was measured with logistic regression.ResultsMaternal age of the cases was 23.8 ± 6.7 years, and 23.2 ± 6.7 in the controls. Periodontal disease was present in 66.8% of cases and 40.5% of controls. The factors associated with preterm birth were periodontal disease (Odds ratio [OR] = 2.26), history of preterm birth (OR = 4.96), unplanned pregnancy (OR = 2.15) poor prenatal control (OR = 2.53), urinary tract infection (OR = 2.22), preeclampsia (OR = 4.49), premature rupture of membranes (OR = 2.59) and caesarean section delivery (OR = 9.15).ConclusionPeriodontal disease in pregnancy was an independent risk factor for preterm birth.Copyright: © 2019 SecretarÍa de Salud.

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