Fig. 2From: Increased maternal TSH and decreased maternal FT4 are associated with a higher operative delivery rate in low-risk pregnancies: A prospective cohort studyThe relation between mean TSH at all trimesters and the mode of delivery in 872 term women in whom labour started spontaneously: women who had an operative vaginal delivery or Caesarean section because of prolonged expulsion had significantly higher mean TSH throughout gestation (repeated measures ANOVA, F = 3.1, p = 0.026.), adjusted for age, parity, gestational age and BMIBack to article page