Fig. 4From: The interaction between vaginal microbiota, cervical length, and vaginal progesterone treatment for preterm birth riskPreterm birth, despite vaginal progesterone, is associated with L. iners dominance throughout pregnancy. Longitudinal sampling of 25 women receiving progesterone for a short cervix showed L. iners dominance was associated with all women who subsequently delivered preterm <34+0 weeks (n = 4; (**P < 0.05; Fisher’s exact). Single asterisk indicates the delivery samples collected within 2 weeks of delivery between 28 and 34 weeksBack to article page