Treatment of periodontitis in pregnant women improves periodontal disease and is safe but does not significantly alter rates of preterm birth, low birth weight, or fetal growth restriction. (ClinicalTrials.gov number, NCT00066131 [ClinicalTrials.gov].).

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Use of a NP to deliver same-day screening is an effective strategy to target poor, elderly black women for breast and cervical cancer screening. However, even with the substantial increases in rates obtained with the NP intervention, screening in this vulnerable population remains below nationally targeted levels.

Aim-Determine if periodontitis progression during pregnancy is associated with adverse birth outcomes.Materials and Methods-We used clinical data and birth outcomes from the OPT Study, which randomized women to receive periodontal treatment before 21 weeks gestation (N=413) or after delivery (410). Birth outcomes were available for 812 women and follow-up periodontal data for 722, including 75 whose pregnancies ended <37 weeks. Periodontitis progression was defined as ≥ 3mm loss of clinical attachment. Birth outcomes were compared between non-progressing and progressing groups using the log rank and t tests, separately in all women and in untreated controls.Results-The distribution of gestational age at the end of pregnancy (P > 0.1) and mean birthweight (3295 versus 3184 grams, P = 0.11) did not differ significantly between women with and without disease progression. Gestational age and birthweight were not associated with change from baseline in percent of tooth sites with bleeding on probing or between those who did versus did not progress according to a published definition of disease progression (P > 0.05).Conclusions-In these women with periodontitis and within this study's limitations, disease progression was not associated with increased risk for delivering a preterm or low birthweight infant.Scientific Rationale: Maternal periodontitis and disease progression during pregnancy have been associated with elevated risk for preterm birth. We used data from a recent clinical trial to explore possible associations between progressive periodontitis and birth outcomes.Principal Findings: The distribution of gestational age at delivery and mean birthweights did not differ significantly between women who experienced progressive periodontitis and those who did not.Corresponding Author: Bryan Michalowicz, 17-116 Moos Tower,