CRP and hypothyroidism: Compared with pre‐treatment, the treated hypothyroidism in pregnancy combined with SIBO group had significantly higher FT4 (p < .001), significantly lower TSH, TPOAb, and CRP (p < .001, p = .001, p = .018), and no statistically significant difference in the percentage of WBC, neutrophils, and neutrophils percentage (p = .102, p = .061, p = .072).