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Fig. 3 | BMC Medicine

Fig. 3

From: Associations between cervical intraepithelial neoplasia during pregnancy, previous excisional treatment, cone-length and preterm delivery: a register-based study from western Sweden

Fig. 3

Cone-length and risk of PTD, spontaneous PTD, and pPROM. The risk of PTD, spontaneous PTD, and pPROM increased with cone-length. Risks in relation to cone-lengths (truncated at 10 mm) are estimated using multivariate logistic regression analyses adjusted for age group, parity group, smoking, infant’s sex and time period of delivery and graphed for a group of standardized women (age 23–30, nulliparas, non-smokers, delivery of a male child during the period 2014–2016). PTD, preterm delivery; pPROM, preterm prelabor rupture of the membranes

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