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Adenomyosis and risk of preterm delivery

  1. C-M Juang1,*,
  2. P Chou2,
  3. M-S Yen1,
  4. N-F Twu1,
  5. H-C Horng1,
  6. W-L Hsu1

Article first published online: 4 DEC 2006

DOI: 10.1111/j.1471-0528.2006.01186.x

Issue

BJOG: An International Journal of Obstetrics & Gynaecology

BJOG: An International Journal of Obstetrics & Gynaecology

Volume 114, Issue 2, pages 165–169, February 2007

Additional Information

How to Cite

Juang, C.-M., Chou, P., Yen, M.-S., Twu, N.-F., Horng, H.-C. and Hsu, W.-L. (2007), Adenomyosis and risk of preterm delivery. BJOG: An International Journal of Obstetrics & Gynaecology, 114: 165–169. doi: 10.1111/j.1471-0528.2006.01186.x

Author Information

  1. 1

    Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan

  2. 2

    Department of Epidemiology, Institute of Public Health, National Yang-Ming University, Taipei, Taiwan

*Dr C-M Juang, No. 201, Section 2, Shih-Pai Road, Department of Obstetrics and Gynecology, Veterans General Hospital, Taipei, Taiwan. Email cmjuang@yahoo.com.tw

Publication History

  1. Issue published online: 9 JAN 2007
  2. Article first published online: 4 DEC 2006
  3. Accepted 15 October 2006. Published OnlineEarly 24 November 2006.

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Keywords:

  • Adenomyosis;
  • preterm delivery;
  • prostaglandin

Objective  To evaluate the risk of preterm delivery in patients with adenomyosis.

Design  A 1:2 nested case–control study.

Setting  Tertiary-care institution.

Population  A base cohort population of 2138 pregnant women who attended routine prenatal check-up between July 1999 and June 2005.

Methods  From this base cohort population, gravid women with singleton pregnancy who delivered prior to the completion of 37 weeks of gestation were identified and formed the study group. Singleton gravid women who had term delivery and who matched with age, body mass index, smoking, and status of previous preterm delivery were recruited concurrently and served as control group. Preterm delivery cases were further divided into spontaneous preterm delivery and preterm premature rupture of membranes (PPROM) cases.

Main outcome measures  Risk analysis of preterm delivery between gravid women with and without adenomyosis.

Results  One-hundred and four preterm delivery case subjects and 208 control subjects were assessed. Overall, gravid women with adenomyosis were associated with significantly increased risk of preterm delivery (adjusted odds ratio 1.96, 95% CI 1.23–4.47, P = 0.022). For subgroup analysis, gravid women with adenomyosis had an adjusted 1.84-fold risk of spontaneous preterm delivery (95% CI 1.32–4.31, P = 0.012) and an adjusted 1.98-fold risk of PPROM (95% CI 1.39–3.15, P = 0.017).

Conclusions  Gravid women with adenomyosis were associated with increased risk of both spontaneous preterm delivery and PPROM. A common pathophysiological pathway may exist in these two disorders. Further in-depth biochemical and molecular studies are necessary to explore this phenomenon.

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