Clinical implications of a cesarean scar pregnancy sonographic evaluation and reporting system

Raanan Meyer*, Lior Friedrich, Roni Plaschkes, Shlomi Toussia-Cohen, Gabriel Levin, Tal Weissbach, Eran Kassif, Roy Mashiach

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Objectives: Recently, a new standardized sonographic evaluation system for cesarean scar pregnancies (CSP) was published. We aimed to evaluate the clinical outcomes of CSP cases according to the new sonographic evaluation and reporting system. Study design: A retrospective study conducted at a single tertiary center. All CSPs between 1/2011 and 4/2022 were included. Cases were evaluated by expert sonographers and classified into three categories: 1) CSP in which the largest part of the gestational sac (GS) protrudes towards the uterine cavity; 2) CSP in which the largest part of the GS is embedded in the myometrium but does not cross the serosal contour; and 3) CSP in which the GS is partially located beyond the outer contour of the cervix or uterus. Baseline characteristics, management and outcomes were compared between the three categories. Results: Overall, 55 patients were diagnosed with CSP during the study period; 10 (18.1 %) type 1, 31 (56.3 %) type 2, and 14 (25.4 %) type 3. Baseline characteristics were similar among groups. Compared with type 2 and 3, patients diagnosed with CSP type 1 received less methotrexate treatment [83.9 % and 78.6 % vs. 40.0 %, respectively, p = 0.020]. The rates of need for invasive procedures, urgent procedures, major bleeding, length of hospitalization, and subsequent pregnancies were similar between groups. Conclusions: No clinically significant differences were found between groups divided by the new standardized sonographic evaluation and reporting system for CSP in pregnancy characteristics, management, and subsequent pregnancy outcomes. Further investigation is required to enable informed management of CSP based on the new sonographic reporting system.

Original languageEnglish
Pages (from-to)247-251
Number of pages5
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
StatePublished - Dec 2023


  • Classification
  • Laparoscopy
  • Methotrexate
  • Surgical outcomes
  • Ultrasound


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