{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T02:06:15Z","timestamp":1767665175927,"version":"3.40.5"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,11,24]],"date-time":"2022-11-24T00:00:00Z","timestamp":1669248000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To evaluate the effects of COVID\u201019 disease and the trimester in which the disease is diagnosed on obstetric and neonatal outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This retrospective cohort study was conducted with 358 patients who had or had not been diagnosed with COVID\u201019 during their pregnancy, had a miscarriage or had given birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>COVID\u201019 disease during pregnancy was associated with higher maternal hypertensive disease, preterm birth, low birth weight, low first\u2010 and fifth\u2010minute Apgar scores, and need for neonatal intensive care unit. The incidence of preterm birth, low birth weight, low first\u2010 and fifth\u2010minute Apgar scores, and need for neonatal intensive care unit in those diagnosed with COVID\u201019 in the second trimester was significantly higher than those diagnosed with COVID\u201019 in other trimesters. The frequency of cesarean section was observed most in those diagnosed with COVID\u201019 in the 3rd trimester, while it was observed in those diagnosed with COVID\u201019 at least in the first trimester.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The presence of COVID\u201019 during pregnancy may be associated with an increased risk of iatrogenic preterm birth. The frequency of preterm birth in pregnant women diagnosed with COVID\u201019 in the second trimester is higher than in pregnant women diagnosed with COVID\u201019 in other trimesters. As the pregnancy trimester at the time of diagnosis progresses, the frequency of cesarean section increases. While the risk of maternal hypertensive disease increases more in pregnant women with COVID\u201019, the effect of the trimester in which COVID\u201019 was passed on the risk of maternal hypertensive disease is not observed.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.15510","type":"journal-article","created":{"date-parts":[[2022,11,25]],"date-time":"2022-11-25T05:11:51Z","timestamp":1669353111000},"page":"614-624","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Evaluation of the effects of <scp>COVID<\/scp>\u201019 disease and the trimester in which the disease is diagnosed on obstetric and neonatal outcomes: A retrospective cohort study"],"prefix":"10.1111","volume":"49","author":[{"given":"Emre","family":"Sertel","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Derince Training and Research Hospital  Kocaeli Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3721-8647","authenticated-orcid":false,"given":"Merve","family":"Demir","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Medicine, Bah\u00e7e\u015fehir University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,11,24]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph17114176"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(20)30360-3"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2003.11.019"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2020-0132"},{"key":"e_1_2_7_6_1","unstructured":"World Health Organization.WHO Director\u2010General's opening remarks at the media briefing on COVID\u201019\u201311 March 2020. 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