{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T11:13:49Z","timestamp":1781522029813,"version":"3.54.1"},"reference-count":16,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2011,1,11]],"date-time":"2011-01-11T00:00:00Z","timestamp":1294704000000},"content-version":"vor","delay-in-days":8776,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[1987,1]]},"abstract":"<jats:p>The role of <jats:italic>U. urealyticum<\/jats:italic> in spontaneous and recurrent spontaneous abortion was studied in 633 women. Cervical colonization with <jats:italic>U. urealyticum<\/jats:italic> was found in 42.6% of 310 normal pregnant women, in 41.6% of 84 patients who underwent induced abortion, in 41.5% of 41 normal fertile patients, in 53.3% of 122 patients with spontaneous abortion and in 64.5% of 76 patients with recurrent spontaneous abortion. The cervical isolation rate was significantly higher in patients with spontaneous abortion (p&lt;0.05) and recurrent spontaneous abortion (p&lt;0.005) than in normal pregnant women. Endometrial colonization was more frequent in patients with recurrent spontaneous abortion (27.6%) than in normal fertile women (9.7%) (p&lt;0.05). Moreover, in 6 patients with intact membranes and uncontrollable preterm labor resulting in fetal loss (all between the 20th and 28th week of gestation) <jats:italic>U. urealyticum<\/jats:italic> was isolated in 5 of them from the cervix, in 4 patients from the placenta and in 2 out of 4 from the amniotic fluid. Histological examination of the placenta showed signs of chorioamnionitis in 5 patients. From this study we conclude that although <jats:italic>U. urealyticum<\/jats:italic> is a common inhabitant of the lower genital tract, it may play a role in the etiology of spontaneous abortion and uncontrollable preterm labor.<\/jats:p>","DOI":"10.3109\/00016348709015726","type":"journal-article","created":{"date-parts":[[2007,11,22]],"date-time":"2007-11-22T00:44:37Z","timestamp":1195692277000},"page":"513-516","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Epidemiology and Pathogenesis of Ureaplasma Urealyticum in Spontaneous Abortion and Early Preterm 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