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When the string is not visible, the proper management is controversial. This study reports the successful retrieval of occult IUD in early pregnancy under ultrasonic guidance in 8 out of 9 women. In the one case where we failed to remove the IUD, the women chose to terminate the pregnancy by legal abortion. Seven women completed their pregnancy, while one experienced a spontaneous abortion. We consider the removal of the occult IUD in pregnancy under ultrasonic guidance to be a useful procedure.<\/jats:p>","DOI":"10.3109\/00016349109007887","type":"journal-article","created":{"date-parts":[[2007,11,13]],"date-time":"2007-11-13T19:08:19Z","timestamp":1194980899000},"page":"355-357","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Ultrasonically guided retrieval of occult IUD in early pregnancy"],"prefix":"10.1111","volume":"70","author":[{"given":"Oddvar","family":"Sviggum","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Finn Egil","family":"Skjeldestad","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jon Morten","family":"Tuveng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2011,1,7]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01849267"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(76)90675-X"},{"key":"e_1_2_1_4_1","first-page":"669","article-title":"Intrauterine device usage and fetal loss","volume":"58","author":"Foremann H.","year":"1981","journal-title":"Obstet Gynecol"},{"key":"e_1_2_1_5_1","first-page":"322","article-title":"Pregnancy with IUD in situ","volume":"86","author":"Fallon J H.","year":"1985","journal-title":"Kans Med"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(74)90198-7"},{"key":"e_1_2_1_7_1","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1016\/0002-9378(76)90099-5","article-title":"Second trimester spontaneous abortion, the IUD and infection","volume":"124","author":"Eisinger S H.","year":"1976","journal-title":"Am J Obstet Gynecol"},{"key":"e_1_2_1_8_1","doi-asserted-by":"crossref","first-page":"961","DOI":"10.1097\/00006250-198812000-00034","article-title":"Ultrasound\u2010guided intrauterine removal of intrauterine contraceptive devices in pregnancy","volume":"72","author":"Stubblefield P G.","year":"1988","journal-title":"Obstet Gynecol"},{"key":"e_1_2_1_9_1","first-page":"833","article-title":"Spiral og extrauterine svangerskab. 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