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. Author manuscript; available in PMC: 2019 Feb 20.
Published in final edited form as: Semin Fetal Neonatal Med. 2017 Dec 9;23(2):126–132. doi: 10.1016/j.siny.2017.11.007

Fig. 1.

Fig. 1.

Proportion of women delivering preterm at various gestational age cut-offs according to the mid-trimester cervical length (based on n = 6877 women) [12].