• Hamidreza Didar, Hanieh Najafiarab, Amirreza Keyvanfar, Bahareh Hajikhani, Elena Ghotbi, and Seyyedeh Neda Kazemi.
• Preventative Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
• Am J Emerg Med. 2023 Mar 1; 65: 435243-52.

ObjectivesThis study aimed to investigate clinical presentations, surgical procedures and findings, complications, and predisposing factors of adnexal torsion in pregnant women.MethodsWe searched PubMed/Medline, Embase, and Web of Science from January 2000 to March 2022. All case reports and case series with full-text English language reporting adnexal torsion in pregnant women were included. Medical history, clinical presentations, surgical procedures and findings, complications related to adnexal torsion, and predisposing factors were independently extracted by two investigators.ResultsA total of 182 articles reporting 662 pregnant women with adnexal torsion were included. Most of the adnexal torsions occurred during the first trimester (54.63%), while others occurred during the second (26.36%) and third (19.00%) trimesters. The most common symptom of adnexal torsion was sudden-onset pain (80.60%). Enlargement of the adnexa was the most prevalent ultrasound finding in a twisted adnexa (95.20%). Additionally, about half of the patients had decreased blood flow in Doppler ultrasound (53.80%). Laparoscopic surgery was the favorite option (56.88%), while cystectomy and detorsion were the most commonly performed procedure (29.06%). Expectant management was reported in only 2.99% of the patients. In addition, the most common complications were preterm labor (27.58%) and emergent cesarean sections (25.28%).ConclusionsClinicians should think of adnexal torsion when pregnant women complain of sudden-onset pain. Then, using ultrasound, adnexal enlargement or masses should be explored seriously. They should take invasive and urgent therapy to preserve ovaries and prevent complications.Copyright © 2022 Elsevier Inc. All rights reserved.

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