Cervical conisation and the risk of preterm delivery: a retrospective matched pair analysis of a German cohort

Purpose: Since the routine screening program for cervical dysplasia by Pap smear was established in the early 1970 s, the rate of cervical cancer has continually dropped. Even if a high percentage of cervical dysplasia shows spontaneous restitution, the only effective therapy for persisting cervical dysplasia is local ablation or excision which might be associated with an increased risk of preterm delivery in subsequent pregnancies. However, data from German patients are missing, so the aim of this study was to evaluate the risk of preterm delivery and associated risks in a cohort of patients who had undergone c…