Detection of three periodontal pathogens in different stages of pregnant women.

Table 5: Detection of three periodontal pathogens in different stages of pregnant women.

	Pg detection	Pi detection	Pn detection
1^st trimester (n = 29)	20 (69.0%)	8 (27.6%)	14 (48.3%)
2^nd trimester (n = 29)	13 (44.8%)	4 (13.8%)	9 (31.0%)
3^rd trimester (n = 26)	10 (38.5%)	12 (46.2%)	15 (57.7%)
Post partum (n = 33)	27 (81.8%)^*	8 (24.2%)	4 (12.1%)^*

^*compared with different trimester stages, p < 0.01.