Evaluation of periodontal disease as a risk factor for preterm birth and low birth weight in pregnant women attending the Gineco-obstetrics service of the Amistad Mexico-Nicaragua Hospital in the municipality of Ticuantepe. torreon. 2017;5(14):28-36. Accessed August 6, 2025. https://revistas.unan.edu.ni/index.php/Torreon/article/view/3301