• Jianyang Feng, Yahui Kang, Guixian Chen, Yaoyue Zhang, Yuan Li, Yi Li, and Hong He.
• Department of Obstectrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
• Medicine (Baltimore). 2022 Feb 25; 101 (8): e28955e28955.

RationaleSpontaneous complete uterine rupture during gestation is rare and has no specific symptoms; however, it is a life-threatening event for both the fetus and mother. The rupture typically happens in labor and is uncommon before labor. Herein, we present the case of a woman, encountering complete rupture at third trimester followed by laparoscopic cornuostomy.Patient ConcernsA 26-year-old woman presented with acute right lower abdominal pain at 33 weeks and 5 days of gestation.DiagnosesWe made a diagnosis of threatened uterine rupture.InterventionUrgent cesarean section performed. Exploration of the uterine dehiscence wound demonstrated that the myometrium was completely ruptured at the primary laparoscopic surgical scar with a defect of 40 mm, and live birth and preservation of the uterus was achieved.OutcomeOn the third day of operation, she had a good recovery and was discharged. After a 6-week postpartum follow-up, she displayed a good level of rehabilitation.LessonsPregnancy after laparoscopic cornuostomy should be treated as high-risk gestation and the rupture during gestation of the uterine scar should be suspected once lower abdominal pain occurred. Swift diagnosis and prompt intervention play a crucial role in saving the lives of the fetus and the mother.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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