Adenomyosis and Polycystic Ovary Syndrome in Adolescents and Young Women: More Common Together or Not?
This study compared clinical and ultrasonographic features of adenomyosis and PCOS in young women, finding that HMB, pelvic pain, and dysmenorrhea were more common with adenomyosis.
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This retrospective cross-sectional preprint studied the relationship between adenomyosis and polycystic ovary syndrome (PCOS) in 319 adolescents and young women aged 10–25 years who presented with symptoms suggestive of adenomyosis and/or PCOS, using ultrasonography-based diagnostic criteria (MUSA-revised for adenomyosis) at a single tertiary referral center. Participants were classified as adenomyosis-only (n=29), PCOS-only (n=277), or combined (n=13), and the authors compared clinical and ultrasonographic profiles, finding that BMI was higher in the PCOS group while heavy menstrual bleeding, pelvic pain, and dysmenorrhea were more common in the adenomyosis and combined groups; adenomyosis-associated ultrasound features (e.g., uterine wall asymmetry and junctional zone abnormalities) were also more prevalent. In contrast, Ferriman–Gallwey scores and free androgen index values were higher in the PCOS group, supporting distinct clinical/ultrasound phenotypes even when both conditions co-occur. The paper is limited by its retrospective design, single-center setting, and preprint status (not peer reviewed). This paper is centrally about endometriosis and adenomyosis — it specifically examines adenomyosis and its diagnostic overlap with PCOS in adolescents and young adults, a key adjacent condition frequently discussed alongside endometriosis in pelvic-pain phenotyping.
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