{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T13:32:08Z","timestamp":1758634328604},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,11,5]],"date-time":"2021-11-05T00:00:00Z","timestamp":1636070400000},"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":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2022,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare spontaneous preterm birth (SPTB) and iatrogenic preterm birth (IPTB) rates during both waves of the coronavirus disease 2019 (COVID\u201019) pandemic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective analysis of the PregCovid registry of pregnant women with COVID\u201019 was performed at a dedicated COVID\u201019\u00a0hospital in Mumbai, India. The data of 1630 women were analyzed for this study between April 4, 2020 and July 4, 2021. Prepandemic data were analyzed and compared with pandemic data. Main outcome measure was spontaneous preterm birth rate.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Preterm deliveries were higher during the second wave (46\/329; 14%) compared with the first wave (82\/807; 10.2%) of the COVID\u201019 pandemic (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.065). Higher SPTBs were reported during the second wave than the first wave (12.5% versus 8.3%) (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.03) as well as the prepandemic period (12.5% versus 10.5%) (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.286). IPTBs were significantly lower in the pandemic period than in the prepandemic period (1.8 versus 3.3) (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.012).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In Mumbai, India, we found an unusual change in SPTBs during the 6\u00a0months of the second wave of COVID\u201019 compared with the previous 10\u00a0months of the first wave of pandemic and 1\u00a0year of prepandemic.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.13991","type":"journal-article","created":{"date-parts":[[2021,10,21]],"date-time":"2021-10-21T20:42:48Z","timestamp":1634848968000},"page":"115-120","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Increased spontaneous preterm births during the second wave of the coronavirus disease 2019 pandemic in India"],"prefix":"10.1002","volume":"157","author":[{"given":"Niraj N.","family":"Mahajan","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rahi","family":"Pednekar","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chaitanya","family":"Gaikwad","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Prajakta","family":"More","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madhura","family":"Pophalkar","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shweta","family":"Kesarwani","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bhargavi","family":"Jnanananda","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Topiwala National Medical College &amp; BYL Nair Charitable Hospital  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Smita D","family":"Mahale","sequence":"additional","affiliation":[{"name":"ICMR\u2010National Institute for Research in Reproductive Health  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rahul K","family":"Gajbhiye","sequence":"additional","affiliation":[{"name":"ICMR\u2010National Institute for Research in Reproductive Health  Mumbai India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,11,5]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S2214-109X(19)30220-7"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.m2107"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-021-03742-4"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jiph.2021.03.013"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884\u2010020\u201003461\u20102"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2020-0364"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijgo.13793"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000004529"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijgo.13338"},{"key":"e_1_2_8_11_1","unstructured":"GajbhiyeRK MahajanNN WaghmareR et al. 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