{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:23:24Z","timestamp":1792787004423,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2014,9,3]],"date-time":"2014-09-03T00:00:00Z","timestamp":1409702400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0\/"}],"funder":[{"name":"National Centre of Rural Medicine"},{"DOI":"10.13039\/501100013232","name":"Norwegian Air Ambulance Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100013232","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To study the incidence, maternal characteristics and outcome of unplanned out\u2010of\u2010institution births (= unplanned births) in Norway.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Register\u2010based cross\u2010sectional study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Population<\/jats:title>\n                    <jats:p>\n                      All births in Norway (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a0892\u00a0137) from 1999 to 2013 with gestational age \u226522\u00a0weeks.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Analysis of data from the Medical Birth Registry of Norway from 1999 to 2013. Unplanned births (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a06062) were compared with all other births (reference group).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The annual incidence rate of unplanned births was 6.8\/1000 births and remained stable during the period of study. Young multiparous women residing in remote municipalities were at the highest risk of experiencing unplanned births. The unplanned birth group had higher perinatal mortality rate for the period, 11.4\/1000 compared with 4.9\/1000 for the reference group (incidence rate ratio 2.31, 95% confidence interval 1.82\u20132.93,\n                      <jats:italic>p\u00a0<\/jats:italic>\n                      &lt;\n                      <jats:italic>\u00a0<\/jats:italic>\n                      0.001). Annual perinatal mortality rate for unplanned births did not change significantly (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.80) but declined on average by 3% per year in the reference group (\n                      <jats:italic>p\u00a0<\/jats:italic>\n                      &lt;\n                      <jats:italic>\u00a0<\/jats:italic>\n                      0.001). The unplanned birth group had a lower proportion of live births in all birthweight categories. Live born neonates with a birthweight of 750\u2013999\u00a0g in the unplanned birth group had a more than five times higher mortality rate during the first week of life, compared with reference births in the same birthweight category.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Unplanned births are associated with adverse outcome. Excessive mortality is possibly caused by reduced availability of necessary medical interventions for vulnerable newborns out\u2010of\u2010hospital.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/aogs.12450","type":"journal-article","created":{"date-parts":[[2014,9,3]],"date-time":"2014-09-03T01:26:20Z","timestamp":1409707580000},"page":"1003-1010","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":41,"title":["Characteristics and outcome of unplanned out\u2010of\u2010institution births in Norway from 1999 to 2013: a cross\u2010sectional study"],"prefix":"10.1111","volume":"93","author":[{"given":"Bj\u00f6rn","family":"Gunnarsson","sequence":"first","affiliation":[{"name":"Norwegian Air Ambulance Foundation Dr\u00f8bak Norway"},{"name":"Faculty of Medicine Norwegian University of Science and Technology Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander K.","family":"Sm\u00e1rason","sequence":"additional","affiliation":[{"name":"Institute of Health Science Research University of Akureyri Akureyri Iceland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eirik","family":"Skogvoll","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Norwegian University of Science and Technology Trondheim Norway"},{"name":"Department of Anesthesiology and Intensive Care Medicine St. Olavs Hospital Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sigurd","family":"Fasting","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Norwegian University of Science and Technology Trondheim Norway"},{"name":"Department of Anesthesiology and Intensive Care Medicine St. Olavs Hospital Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,9,3]]},"reference":[{"key":"e_1_2_10_2_1","first-page":"1591","article-title":"F\u00f8deinstitusjoner og f\u00f8dsler i norske fylker i begynnelsen av 1990\u2010\u00e5rene [Birthing institutions and births in Norwegian counties in the early 1990s]","volume":"116","author":"Bergsjo P","year":"1996","journal-title":"Tidsskr Nor Laegeforen"},{"key":"e_1_2_10_3_1","first-page":"3208","article-title":"F\u00f8deinstitusjoner og f\u00f8dsler i Norge i 1990\u2010\u00e5rene. 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