Ovarian masses in pregnant women: clinical and morphological characteristics and the importance of ultrasound monitoring

Irina V. Ignatko; Игнатко Ирина Владимировна; Irina V. Ignatko; Kseniya V. Yanukyan; Янукян Ксения Владимировна; Kseniya V. Yanukyan; Vladimir M. Pashkov; Пашков Владимир Михайлович; Vladimir M. Pashkov; Vladimir A. Lebedev; Лебедев Владимир Александрович; Vladimir A. Lebedev; Elena V. Timokhina; Тимохина Елена Владимировна; Elena V. Timokhina; Vera S. Belousova; Белоусова Вера Сергеевна; Vera S. Belousova; Irina M. Bogomazova; Богомазова Ирина Михайловна; Irina M. Bogomazova; Elena G. Pitskhelauri; Пицхелаури Елена Германовна; Elena G. Pitskhelauri; Tatiana E. Kuzmina; Кузьмина Татьяна Евгеньевна; Tatiana E. Kuzmina; Anastasia A. Churganova; Чурганова Анастасия Алексеевна; Anastasia A. Churganova; Irina A. Fedyunina; Федюнина Ирина Александровна; Irina A. Fedyunina; Madina A. Kardanova; Карданова Мадина Аслановна; Madina A. Kardanova; Svetlana V. Pesegova; Песегова Светлана Вячеславовна; Svetlana V. Pesegova; Anastasia N. Samusevich; Самусевич Анастасия Николаевна; Anastasia N. Samusevich

doi:10.17816/aog703862

Ovarian masses in pregnant women: clinical and morphological characteristics and the importance of ultrasound monitoring

Authors: Ignatko I.V.¹, Yanukyan K.V.¹, Pashkov V.M.¹, Lebedev V.A.¹, Timokhina E.V.¹, Belousova V.S.¹, Bogomazova I.M.¹, Pitskhelauri E.G.¹, Kuzmina T.E.¹, Churganova A.A.¹, Fedyunina I.A.¹, Kardanova M.A.¹, Pesegova S.V.¹, Samusevich A.N.¹
Affiliations:
1. Sechenov First Moscow State Medical University (Sechenov University)
Issue: Vol 13, No 2 (2026)
Pages: 169-176
Section: Original study articles
Submitted: 10.03.2026
Accepted: 17.03.2026
Published: 06.05.2026
URL: https://archivog.com/2313-8726/article/view/703862
DOI: https://doi.org/10.17816/aog703862
EDN: https://elibrary.ru/TKFGRW
ID: 703862

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Abstract

BACKGROUND: Ovarian masses are a common condition in pregnant women, but their timely diagnosis is often challenging due to anatomical and physiological changes associated with uterine and fetal growth.

AIM: To analyze the clinical and morphological features of ovarian masses in pregnant women and to evaluate the diagnostic value of ultrasound at different gestational ages.

METHODS: The study included 45 pregnant women with ovarian masses who underwent clinical, anamnestic, and ultrasound evaluation. Management strategies, histological findings, and perinatal outcomes were assessed.

RESULTS: The mean patient age was 30.6 ± 4.3 years, and the mean ovarian mass dimensions were 56.6 ± 28.7 mm × 49.0 ± 24.9 mm. In 62.2% of cases, ovarian masses were detected only after delivery. Histological examination of resected specimens revealed that the most common finding (17.8%) was mature teratoma. Expectant management was adopted in 53.3% of patients, with spontaneous regression in all these cases. All patients had favorable perinatal outcomes.

CONCLUSION: Delayed diagnosis of ovarian masses highlights the need for mandatory adnexal examination as part of the prenatal ultrasound protocol, as well as for improved visualization techniques and increased clinician awareness to optimize management of these patients.

Keywords

ovarian masses, mature teratoma, watchful waiting, ultrasound examination