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Fig. 3 | BMC Pregnancy and Childbirth

Fig. 3

From: Progesterone, cervical cerclage or cervical pessary to prevent preterm birth: a decision-making analysis of international guidelines

Fig. 3

Depicts all guideline recommendations in a decision tree. Some guideline groups cover only singleton pregnancies, while others also cover twin pregnancies. All, except for the NICE guideline, exclude triplets (or more) from their recommendations. Specific treatment recommendations based on combinations of type of pregnancy, history, and cervical length. Pregnancy = singleton vs. twin, H – history, CL – cervical length in mm, CL = 0.0 – cervical opening 1-4 cm, S/T - history of cervical surgery or trauma. C – cerclage, P – progesterone, Pess – pessary, noTx – no treatment, noR – no recommendation. CorP - cerclage or progesterone, P + -Pess progesterone with or without cervical pessary. The individual guidelines are represented by their regional flags, FIGO by a green flag

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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