{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T12:36:05Z","timestamp":1780662965722,"version":"3.54.1"},"reference-count":51,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2022,11,8]],"date-time":"2022-11-08T00:00:00Z","timestamp":1667865600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JPM"],"abstract":"<jats:p>Studies observed that women infected with SARS-CoV-2 during pregnancy had a higher risk of preterm birth. Although it is likely that COVID-19 during the late trimester of pregnancy can trigger premature birth, prematurity remains a concern, and it is vital to study additional clinical and biological patient factors that are highly associated with this negative pregnancy outcome and allow for better management based on the existing predictors. In order to achieve this goal, the current study retrospectively recruited 428 pregnant patients that were separated into three study groups using a 1:2:4 matching ratio and a nearest-neighbor matching method. Sixty-one pregnant patients had a history of COVID-19 during pregnancy and gave birth prematurely; 124 pregnant patient controls had COVID-19 and gave birth full-term, while the second control group of 243 pregnant patients had a premature birth but no history of COVID-19. It was observed that a symptomatic SARS-CoV-2 infection during the third trimester was significantly more likely to be associated with premature birth. Even though the rate of ICU admission was higher in these cases, the mortality rate did not change significantly in the COVID-19 groups. However, SARS-CoV-2 infection alone did not show statistical significance in determining a premature birth (\u03b2 = 1.09, CI = 0.94\u20131.15, p-value = 0.067). Maternal anemia was the strongest predictor for prematurity in association with SARS-CoV-2 infection (\u03b2 = 3.65, CI = 1.46\u20135.39, p-value &lt; 0.001), followed by elevated CRP (\u03b2 = 2.11, CI = 1.20\u20133.06, p-value &lt; 0.001), and respectively IL-6 (\u03b2 = 1.92, CI = 1.20\u20132.47, p-value = 0.001. SARS-CoV-2 infection is associated with an increased risk of preterm birth, as shown by our data. If SARS-CoV-2 infection arises during the third trimester, it is recommended that these patients be hospitalized for surveillance of clinical evolution and biological parameters, such as anemia and high inflammatory markers, which have a multiplicative influence on the pregnancy result.<\/jats:p>","DOI":"10.3390\/jpm12111871","type":"journal-article","created":{"date-parts":[[2022,11,9]],"date-time":"2022-11-09T02:44:32Z","timestamp":1667961872000},"page":"1871","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Exploring Clinical and Biological Features of Premature Births among Pregnant Women with SARS-CoV-2 Infection during the Pregnancy Period"],"prefix":"10.3390","volume":"12","author":[{"given":"Ingrid","family":"Hrubaru","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"},{"name":"Doctoral School, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7090-7677","authenticated-orcid":false,"given":"Andrei","family":"Motoc","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Embryology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix","family":"Bratosin","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8236-2205","authenticated-orcid":false,"given":"Ovidiu","family":"Rosca","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roxana","family":"Folescu","sequence":"additional","affiliation":[{"name":"Department of Family Medicine, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marius Liviu","family":"Moise","sequence":"additional","affiliation":[{"name":"Department of Radiology, \u201cPremiere\u201d Hospital\u2014\u201cRegina Maria,\u201d Calea Aradului 113, 300643 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7084-758X","authenticated-orcid":false,"given":"Octavian","family":"Neagoe","sequence":"additional","affiliation":[{"name":"First Department of Surgery, Second Discipline of Surgical Semiology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioana Mihaela","family":"Citu","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine I, \u201cVictor Babes\u201d the University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bogdan","family":"Feciche","sequence":"additional","affiliation":[{"name":"Department of Urology, Satu-Mare County Emergency Hospital, Strada Ravensburg 2, 440192 Satu-Mare, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8882-7381","authenticated-orcid":false,"given":"Florin","family":"Gorun","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dragos","family":"Erdelean","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian","family":"Ratiu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3730-6527","authenticated-orcid":false,"given":"Cosmin","family":"Citu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, \u201cVictor Babes\u201d University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"E540","DOI":"10.1503\/cmaj.202604","article-title":"The impact of COVID-19 on pregnancy outcomes: A systematic review and meta-analysis","volume":"193","author":"Wei","year":"2021","journal-title":"Can. 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