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Patients were considered for inclusion if they underwent first\u2010trimester ultrasonography examination, and went on to deliver at the Beijing Obstetrics and Gynecology Hospital between September 1, 2012 and December 31, 2014. Participants were grouped based on the presence or absence of fibroids and baseline demographics, fibroid characteristics, and obstetric outcomes were recorded and compared between the two groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 153 patients with twin pregnancies were recruited; 51 had fibroids and 102 did not. Patients in the fibroid group demonstrated a higher maternal age (<jats:italic>P<\/jats:italic> &lt; 0.001), higher pre\u2010pregnancy body mass index (<jats:italic>P<\/jats:italic> = 0.01), and higher rate of assisted reproductive technology use (<jats:italic>P<\/jats:italic> = 0.04). The presence of fibroids was not associated with any change in obstetric outcomes, and obstetric outcomes were unaffected by the number, size, location, and type of fibroids (all <jats:italic>P<\/jats:italic> &gt; 0.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Fibroids were not a risk factor for any adverse obstetric outcomes among patients with twin pregnancies.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.ijgo.2016.04.013","type":"journal-article","created":{"date-parts":[[2016,7,18]],"date-time":"2016-07-18T02:15:43Z","timestamp":1468808143000},"page":"22-27","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"title":["Associations between uterine fibroids and obstetric outcomes in twin pregnancies"],"prefix":"10.1002","volume":"135","author":[{"given":"Hong\u2010Mei","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu\u2010Cui","family":"Tian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhi\u2010Fang","family":"Xue","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yue","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yin\u2010Mei","family":"Dai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,12,2]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-0030-1251477"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000196806.25897.7c"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ogc.2012.09.005"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2003.99"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e318197bbaf"},{"issue":"3","key":"e_1_2_6_7_2","first-page":"225","article-title":"The impact of uterine leiomyomas on reproductive outcomes","volume":"62","author":"Cook H.","year":"2010","journal-title":"Minerva Ginecol"},{"issue":"2","key":"e_1_2_6_8_2","first-page":"453","article-title":"Sonographic assessment of pregnancy co\u2010existing with uterine leiomyoma in Owerri, Nigeria","volume":"13","author":"Eze C.U.","year":"2013","journal-title":"Afr Health Sci"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3181f7496d"},{"issue":"1","key":"e_1_2_6_10_2","first-page":"1","article-title":"Births: final data for 2008","volume":"59","author":"Martin J.A.","year":"2010","journal-title":"Natl Vital Stat Rep"},{"issue":"1","key":"e_1_2_6_11_2","first-page":"1","article-title":"Births: final data for 2009","volume":"60","author":"Martin J.A.","year":"2011","journal-title":"Natl Vital Stat Rep"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.10.879"},{"issue":"4","key":"e_1_2_6_13_2","first-page":"516","article-title":"Comparison of pregnancy outcomes in different localizations of uterine fibroids","volume":"39","author":"Deveer M.","year":"2012","journal-title":"Clin Exp Obstet Gynecol"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2014.03.066"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2011.10.009"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.3109\/14767058.2014.921675"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.3109\/14767058.2011.572205"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0085933"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.164.2.3299488"},{"issue":"10","key":"e_1_2_6_20_2","doi-asserted-by":"crossref","first-page":"511","DOI":"10.7863\/jum.1992.11.10.511","article-title":"Longitudinal evaluation of uterine myoma growth during pregnancy. 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