There was no significant difference between the median amniotic fluid concentration of IL-10 in the mid-trimester of women who subsequently delivered preterm and those who delivered at term (mid-trimester amniocentesis who delivered a preterm neonate: median 11.5 pg/mLl, range 8.8–18.8 versus mid-trimester amniocentesis who delivered at term: median 11.7 pg/mL, range 8.6–22.9; p = 0.3].
LOD, lower limit of detection.