Quantitative PCR analysis for bacterial counts in faecal samples of pregnant women at first trimester and third trimester.

a = Baseline differences at first trimester

b = test for secretor status as fixed effect

c = interaction between secretor and time as factors

d = P for time effect <0.002, SD = Standard deviation

Quantitative PCR analysis for bacterial counts in faecal samples of pregnant women at first trimester and third trimester.