{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T17:37:21Z","timestamp":1769881041676,"version":"3.49.0"},"reference-count":21,"publisher":"Walter de Gruyter GmbH","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,11,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec id=\"j_jpm-2015-0404_s_999_w2aab2b8c37b1b7b1aab1c14b1Aa\">\n                  <jats:title>Objective:<\/jats:title>\n                  <jats:p> To evaluate the relationship between respiratory morbidity in twins by gestational age, birth order and mode of delivery.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2015-0404_s_998_w2aab2b8c37b1b7b1aab1c14b2Aa\">\n                  <jats:title>Methods:<\/jats:title>\n                  <jats:p> All twin deliveries at &lt;37 weeks, registered in a national database, in the period 2003\u20132012 were classified into four gestational age groups: 33\u201336, 30\u201332, 28\u201329, and &lt;28 weeks. Outcome variables included transient tachypnea of the newborn (TTN), respiratory distress syndrome (RDS) and need for assisted ventilation.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2015-0404_s_997_w2aab2b8c37b1b7b1aab1c14b3Aa\">\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p> A total of 1836 twins were born vaginally, and 2142 twins were born by cesarean delivery, for a grand total of 3978 twins. TTN did not appear to be related to birth order and to the mode of delivery. In contrast, RDS was more frequent among the second born twins in the vaginal birth groups born at 30\u201336 weeks [odds ratio (OR) 2.5, 95% confidence interval (CI) 1.2\u20135.1 and OR 2.0, 95% CI 1.2\u20133.5 for 33\u201336 weeks and 30\u201332 weeks, respectively], whereas this trend was seen in the cesarean birth groups born earlier (OR 3.8, 95% CI 1.1\u201313.0 for 28\u201329 weeks). Cesarean delivery significantly increased the frequency of RDS in twin A as well as in twin B compared with vaginal birth, but only at gestational ages &lt;30 weeks.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2015-0404_s_996_w2aab2b8c37b1b7b1aab1c14b4Aa\">\n                  <jats:title>Conclusion:<\/jats:title>\n                  <jats:p> Mode of delivery and birth order have a gestational age dependent effect on the incidence of RDS.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1515\/jpm-2015-0404","type":"journal-article","created":{"date-parts":[[2016,4,18]],"date-time":"2016-04-18T17:22:17Z","timestamp":1461000137000},"page":"899-902","source":"Crossref","is-referenced-by-count":17,"title":["Respiratory morbidity in twins by birth order, gestational age and mode of delivery"],"prefix":"10.1515","volume":"44","author":[{"given":"Katja","family":"Bricelj","sequence":"first","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natasa","family":"Tul","sequence":"additional","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mateja","family":"Lasic","sequence":"additional","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreja Trojner","family":"Bregar","sequence":"additional","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ivan","family":"Verdenik","sequence":"additional","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miha","family":"Lucovnik","sequence":"additional","affiliation":[{"name":"Department of Perinatology, Division of Obstetrics and Gynecology, University Medical Centre, Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isaac","family":"Blickstein","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Kaplan Medical Center, 76100 Rehovot, Israel , Tel.: +972-545-201789, Fax: +972-89411944"},{"name":"Affiliated with the Hadassah-Hebrew University school of Medicine, Jerusalem, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2016,4,18]]},"reference":[{"key":"2023033121172582809_j_jpm-2015-0404_ref_001_w2aab2b8c37b1b7b1ab2ab1Aa","doi-asserted-by":"crossref","unstructured":"Rubaltelli FF, Bonaf\u00e8 L, Tangucci M, Spagnolo A, Dani C. 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