inflammatory markers and recurrent spontaneous preterm birth in a cohort study of 62
pregnant women with≥ 1 prior early spontaneous birth. Serum samples and cervicovaginal
swabs from the women were obtained at enrollment in early second trimester (week 12–25).
Cervical length was measured by ultrasound and dicotomized in to short (≤ 25mm) and
long cervices (> 25mm). The study endpoints were spontaneous preterm birth before 35 …