Pregnancy in a patient with a displaced levonorgestrel-releasing intrauterine system: a case report

We report the case of a 39-year-old woman who became pregnant despite a levonorgestrel-releasing intrauterine system (LNG-IUS), which was inserted 40 months before the pregnancy was detected. When a Caesarean section was performed, the LNG-IUS was found within the omentum majus. It has been reported...

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Bibliographic Details
Published in:Archives of gynecology and obstetrics 2007-09, Vol.276 (3), p.263-264
Main Authors: Budiman, Helen, Kümper, Carolin, Mylonas, Ioannis, Thaler, Christian J, Friese, Klaus, Weissenbacher, Ernst R
Format: Article
Language:English
Subjects:
Adult
Case reports
Cesarean Section
Contraceptive Agents, Female
Female
Foreign-Body Migration
Humans
Incidental Findings
Infant, Newborn
Intrauterine Devices, Medicated
Levonorgestrel
Omentum
Pregnancy
Pregnancy Outcome
Pregnancy, Unplanned
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Summary:We report the case of a 39-year-old woman who became pregnant despite a levonorgestrel-releasing intrauterine system (LNG-IUS), which was inserted 40 months before the pregnancy was detected. When a Caesarean section was performed, the LNG-IUS was found within the omentum majus. It has been reported, that displaced LNG-IUS can cause amenorrhea and high plasma levels of LNG in affected women, probably due to the higher resorptive capacity of the peritoneum, recommending a removal of the displaced LNG-IUS. Our case report demonstrates that a dislocated LNG-IUS does not necessary has the ability to suppress ovulation and therefore pregnancy. Therefore, every gynaecologist should be aware of a pregnancy despite a dislocated LNG-IUS.
ISSN:0932-0067
1432-0711
DOI:10.1007/s00404-006-0315-z