OBJECTIVES-Periodontal disease may increase the risk of adverse birth outcomes; however, results have been mixed. Few studies have examined periodontal disease in developing countries. We describe the relationship between periodontal disease and birth outcomes in a community setting in Pakistan. METHODS-Enrollment occurred at 20-26 wks.A study dentist performed the periodontal examination to assess probing depth (PD), clinical attachment level (CAL), gingivitis index (GI) and plaque index (PI). Outcomes included stillbirth, neonatal mortality, <32 wk preterm birth (PTB), 32-36 wk PTB, and low birthweight (LBW), and are presented for increasing periodontal disease severity by quartiles (Q1-4).RESULTS-Dental examinations and outcome data were completed for 1152 women. 81% were multiparous with a mean age of 27 yrs. 33% had no education. Dental caries were present in 47%, missing teeth in 27%, and 92% had no dental care in the last year. Periodontal disease was common: 87% had ≥ 4 teeth with a PD of >3mm, 54% had ≥4 teeth with a PI = 3, and 58% had ≥ 4 teeth with a GI = 3. In general, as the measure of periodontal disease increased, stillbirth, PTB <32 wks and neonatal mortality also increased. Late PTB and LBW were not related to measures of periodontal disease. Adjustment for demographic characteristics did not significantly change the relationships.
OBJECTIVES-Periodontal disease may increase the risk of adverse birth outcomes; however, results have been mixed. Few studies have examined periodontal disease in developing countries. We describe the relationship between periodontal disease and birth outcomes in a community setting in Pakistan. METHODS-Enrollment occurred at 20-26 wks.A study dentist performed the periodontal examination to assess probing depth (PD), clinical attachment level (CAL), gingivitis index (GI) and plaque index (PI). Outcomes included stillbirth, neonatal mortality, <32 wk preterm birth (PTB), 32-36 wk PTB, and low birthweight (LBW), and are presented for increasing periodontal disease severity by quartiles (Q1-4).RESULTS-Dental examinations and outcome data were completed for 1152 women. 81% were multiparous with a mean age of 27 yrs. 33% had no education. Dental caries were present in 47%, missing teeth in 27%, and 92% had no dental care in the last year. Periodontal disease was common: 87% had ≥ 4 teeth with a PD of >3mm, 54% had ≥4 teeth with a PI = 3, and 58% had ≥ 4 teeth with a GI = 3. In general, as the measure of periodontal disease increased, stillbirth, PTB <32 wks and neonatal mortality also increased. Late PTB and LBW were not related to measures of periodontal disease. Adjustment for demographic characteristics did not significantly change the relationships.
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