Cases of Retroverted Uterus Involving Placenta Previa and Low-Lying Placenta Previa Are Significantly Associated with Endometriosis

• DOI: 10.1272/jnms.jnms.2025_92-106
• Publication Date: 2025-03-06T22:13:31Z
• Authors: Eika Harigane; Takashi Matsushima; Asako Watanabe; Hiroki Shinmura; Ryuhei Kurashina; Daisuke Shigemi; Shunji Suzuki
• Keywords: Placenta previa

The purpose of this study was to determine whether cases placenta previa and low-lying in patients with retroverted uterus are significantly associated endometriosis. Participants were who underwent cesarean section at our hospital a diagnosis or within 7-year period from January 2015 December 2022. Of these, multiple pregnancies those without complete uterine image the medical record less than 12 weeks' gestation excluded. Included divided into two groups according presence absence endometriosis determined based on intraoperative findings. A retrospective case-control conducted by examining during early pregnancy posterior placenta. total 110 included, 32 group 78 There 15 (46.9%) 17 (21.8%) endometriosis, indicating more (P=0.01). 16 (20.5%) (P=0.009). Placenta